🏅 Top 10 Data In Sql
Selecting top results from SQL Count query, including table join ...
· You need to subquery it for the rownum to work. SELECT * FROM ( SELECT customer.company_name, COUNT (item.pickup_reference) as "Number of Pickups" FROM customer JOIN item ON (customer.reference_no=item.pickup_reference) GROUP BY customer.company_name, item.pickup_reference ORDER BY COUNT (customer.company_name) DESC ) WHERE rownum <= 10
4 days ago
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Top T-SQL by execution count; Running the same queries over and over can quietly drain SQL Server resources, even if each execution seems lightweight. Run the query below to get the Top 10 most executed T-SQL calls.
7
May 4, 2025
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· thanks, that works, I'll have to chew on it for a while though... it looks like you are iterating from top down and the coalesce() will stick to the first not-null item it finds... but I'm having difficulty wrapping my head around the recursive UNION ALL (never thought SQL server could handle self referencing stuff), and the string concatenation of hierarchy is also tricky...
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· Mike D. has provided an answer on how SQL Server sorts data that might help you understand what is it about the deterministic result you see on some comments.. The Arguments of the ORDER BY doc says:. ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value.
3 days ago
Top 10 SQL Tools for Efficient Data Analysis - onlinetoolguides.com
· SQL tools are key in today’s data world. We’ve picked the top 10 SQL tools for great data analysis. They help with data visualization and SQL reporting. These tools are for all levels, from newbies to experts. One of the most popular SQL tools is Microsoft SQL Server Management Studio, which is known for its user-friendly interface and ...
10
May 4, 2025
Database watcher data collection and datasets - Azure SQL Database ...
· SQL database; SQL elastic pool; SQL managed instance; To further reduce the risk of impact to application workloads, all database watcher queries in Azure SQL Database are resource-governed as an internal workload.When resource contention is present, resource consumption by the monitoring queries is limited to a small fraction of total resources available to the database.
May 4, 2025
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· Dynamic Data Masking in SQL Server. A Powerful SQL Server Developer Edition. SQL Server Configuration Manager. SQL Managed Instance: Faster & Improved. TSQL Database Backup: Top 7 Usage. Explore DQS in SQL Server. Dbcc Freeproccache: A powerful command. Extended Events in SQL Server: A Deep Dive. SQL Server Database Mail. Query Store: A ...
May 4, 2025
25 Best SQL Query Tools Reviewed In 2025 - The CTO Club
· Its visual SQL query builder helps create complex queries without deep SQL knowledge. With built-in data visualization tools, you can easily analyze and interpret data to make informed decisions. Standout features & integrations: Features include data visualization, SQL job scheduling, and security auditing. Data visualization tools help you ...
25
5 days ago
Sql Select Top 1
sql - Select top 1 row with aggregate function - Stack Overflow
· select top 1 with ties id,playen,count(id) over (partition by id,playen) as countt ,temaname from #temp t1 order by row_number() over (partition by id,playen order by id,playen,temaname) Output: id playen countt temaname 1 Peter 3 Alpha 2 Mary 2 Gamma 3 John 2 Delta
4 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· thanks, that works, I'll have to chew on it for a while though... it looks like you are iterating from top down and the coalesce() will stick to the first not-null item it finds... but I'm having difficulty wrapping my head around the recursive UNION ALL (never thought SQL server could handle self referencing stuff), and the string concatenation of hierarchy is also tricky...
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· But when I add TOP 1 clause to the above query, original DB shows the 2nd row (ignores first row) select TOP 1 person_id, visit_id, verification_code, mobileNo, created_date from person order by verification_code, created_date DESC ... This might be the issue that same query on same data fetch different TOP 1 row on different versions of SQL ...
3 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· Typically, we might need to find the highest, second-highest, third-highest, or Nth highest salary to compare top earners or perform queries related to salary rankings. 1. Creating the Employee Table. We start by creating a sample Employee table that will hold the employee names and their salaries. Query: CREATE TABLE emp (emp_name VARCHAR(50),
5 days ago
sql server - Select one record from LAG Query - Database Administrators ...
· SELECT s.StatusName, LAG(s.StatusName) OVER (ORDER BY cs.CustomerId, cs.CustomerStatusId) as PreviousStatus FROM #CustomerStatus as cs left join #Status as s on s.StatusId = cs.StatusId WHERE cs.StatusId = 3 ORDER BY cs.CustomerStatusId
4 days ago
sql - Can you specify 'unlimited' when using "Select TOP (@variable ...
· In SQL Server 2005 or later you can use following syntax to return a a variable number of rows: Declare @Limit Int Set @Limit=5 Select Top(@Limit) * From TableName Is there some magic value, that ...
4 days ago
PostgreSQL: Documentation: 17: SELECT
· WITH Clause. The WITH clause allows you to specify one or more subqueries that can be referenced by name in the primary query. The subqueries effectively act as temporary tables or views for the duration of the primary query. Each subquery can be a SELECT, TABLE, VALUES, INSERT, UPDATE, DELETE, or MERGE statement. When writing a data-modifying statement (INSERT, UPDATE, DELETE, or MERGE) in ...
Feb 20, 2025
MAX CASE WHEN in SQL – Explained with Examples (2025 Guide)
· Case 1: Finding the maximum value under a threshold. We can use MAX(CASE WHEN) to find the maximum value in a table under a threshold. Supposing you want to find the most expensive priced item below 60, given the previous table, we can do the following query: Select inflated_price, MAX (Case when inflated_price < 60 then inflated_price end ...
4 days ago
Top 50 Sql Query
Top 50 SQL Interview Questions with Answers - Undercode Testing
· Top 50 SQL Interview Questions with Answers - "Undercode Testing": Monitor hackers like a pro. Get real-time updates, AI-powered insights, and expert analysis. ... SQL Query Examples: Fetch “FIRST_NAME” from Worker table with alias “WORKER_NAME”: SELECT FIRST_NAME AS WORKER_NAME FROM Worker; 2. Fetch “FIRST_NAME” in uppercase:
50
4 days ago
Top 50+ SQL Server Interview Questions and Answers - ScholarHat
· Top 50+ SQL Server Interview Questions: Prepare for your SQL Server interview with this comprehensive list of the top 50+ questions. By DotNetTricks. By DotNetTricks. ... SQL queries, joins, aggregations, subqueries, and data types are examples of commonly covered subjects. You may also be asked scenario-based questions that need you to exhibit ...
50
3 days ago
Top 50 SQL Interview Questions and Answers
· Comprehensive list of top 50 SQL interview questions from basic to advanced level with detailed answers, code examples, and preparation tips. ... Advanced Questions (36-50) FAQ; SQL (Structured Query Language) is the standard language for managing and manipulating relational databases. Whether you're interviewing for a database administrator ...
50
5 days ago
100+ SQL Interview Questions and Answers - Intellipaat
· This blog on top SQL interview questions with answers has the most asked interview questions from top MNCs like Google, Microsoft, and Meta to help you crack your next SQL interview. These questions include SQL interview questions for freshers and experienced, as well as SQL query interview questions. ... 50. Write a query to find employees ...
100
5 days ago
Top 40+ SQL Interview Questions for Experienced Professional
· SQL Queries Interview Questions and Answers for Experienced Professionals. The interviewers might present a SQL query and ask questions on the same. They can also ask you to write SQL queries. Here are some SQL query interview questions for experienced professionals. 19. Write an SQL Query to Display the Current Date.
40
4 days ago
Top 100 Sql Interview Questions And Answers 2025
· Top 50 Sql Interview Questions And Answers For Experienced Freshers Basic sql interview questions for freshers . sql is the backbone of modern data, and with 72% of developers using sql daily, hiring managers expect candidates to go beyond syntax. this section provides the top sql interview questions every fresher must master, from writing efficient queries to structuring data for real world ...
100
6 days ago
14 Google SQL Interview Questions (Updated 2025) - DataLemur
· Answer: You can implement the SQL Window function to solve this:. This query first join the . and tables, and then partition the results by and the month of the .The clause counts the number of searches in each partition. The WHERE filter ensure the data used is from the year 2024. Finally, we order the results by . in descending order to get the categories with the most searches by month at ...
14
3 days ago
10 Oracle SQL Interview Questions (Updated 2025) - DataLemur
· This SQL query begins by joining the . and tables based on customer_id. Then, it calculates the age of customers at the time of purchase and categorizes customers into age groups: '0-30', '30-50', and '> 50'. Finally, the query calculates the average purchase amount for each age group.
10
3 days ago
Top 5 In Sql Query
SQL Group BY, Top N Items for each Group - Stack Overflow
· I have a SQL Query which gets gets top 5 sold items at a given store. SELECT TOP 5 S.UPCCode, SUM(TotalDollarSales) FROM Sales S WHERE S.StoreId = 1 GROUP BY S.UPCCode ORDER BY SUM(S.TotalDollarSales) desc The Sales table has -> UPCCode, SaleDate, StoreId, TotalDollarSales. I am looking for a query which will return me Top 5 items sold for each ...
4 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· The above query will fetch the details of the employee with the 4th highest salary. Let us see how query works starting with the most inner query. Query 1: SELECT DISTINCT sal FROM Employee ORDER BY sal DESC LIMIT 4; Output: Query 2: SELECT MIN(sal) FROM Employee WHERE sal IN (SELECT DISTINCT sal FROM Employee ORDER BY sal DESC LIMIT 4); Output: 5.
5 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· @LouisSomers I think that you have chosen a very bad scheme of hierarchy storage. It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required. This will greatly simplify the processing.
4 days ago
nesting MAX for SELECT - Database Administrators Stack Exchange
· It can be done with a query: SELECT s.* FROM ( SELECT DISTINCT series_id FROM series ) AS ds JOIN series AS s ON s.series_id = ds.series_id AND s.season = ( SELECT si.season FROM series AS si WHERE si.series_id = ds.series_id ORDER BY si.season DESC LIMIT 1 ) AND s.episode = ( SELECT si.episode FROM series AS si WHERE si.series_id = ds.series_id ORDER BY si.season DESC, si.episode DESC LIMIT 1 ) ;
3 days ago
MAX CASE WHEN in SQL - Interview Query
· Write a query to select the top 3 departments with at least ten employees and rank them according to the percentage of their employees making over 100K in salary. To solve this query, the strategy involves grouping employees by department, counting the total number of employees, and calculating the percentage of employees within each department earning over $100K.
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· Mike D. has provided an answer on how SQL Server sorts data that might help you understand what is it about the deterministic result you see on some comments.. The Arguments of the ORDER BY doc says:. ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value.
3 days ago
Top 50 SQL Interview Questions with Answers - Undercode Testing
· Learn Basic SQL in 3.5 hrs; SQL Tutorial Videos (2024) Complete SQL (Beginner to Advanced) Full SQL Course for Beginners & Advanced Users; What Undercode Say. Mastering SQL is crucial for data engineering, cybersecurity, and backend development. These commands form the foundation for database manipulation, query optimization, and security testing.
50
4 days ago
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· TSQL Database Backup: Top 7 Usage. Explore DQS in SQL Server. Dbcc Freeproccache: A powerful command. Extended Events in SQL Server: A Deep Dive. SQL Server Database Mail. Query Store: A Powerful Tool. Understand Deadlocks in SQL Server. SQL Server Pivot: Top 5 Concepts. A Powerful Merge Statement in SQL Server
May 4, 2025
Top 10 In Sql Query
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· The above query will fetch the details of the employee with the 4th highest salary. Let us see how query works starting with the most inner query. Query 1: SELECT DISTINCT sal FROM Employee ORDER BY sal DESC LIMIT 4; Output: Query 2: SELECT MIN(sal) FROM Employee WHERE sal IN (SELECT DISTINCT sal FROM Employee ORDER BY sal DESC LIMIT 4); Output: 5.
5 days ago
Selecting top results from SQL Count query, including table join ...
· I have this query currently, which selects the top "number of pickups" in descending order. I need to filter only the top 10 rows/highest numbers though. ... Selecting top results from SQL Count query, including table join - Oracle. Ask Question Asked 12 years, 6 months ago. Modified 8 years, 4 months ago. Viewed 4k times 2 . I have this query ...
4 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· @LouisSomers I think that you have chosen a very bad scheme of hierarchy storage. It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required. This will greatly simplify the processing.
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· Mike D. has provided an answer on how SQL Server sorts data that might help you understand what is it about the deterministic result you see on some comments.. The Arguments of the ORDER BY doc says:. ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value.
3 days ago
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Top T-SQL by execution count; Running the same queries over and over can quietly drain SQL Server resources, even if each execution seems lightweight. Run the query below to get the Top 10 most executed T-SQL calls.
7
May 4, 2025
PostgreSQL: Documentation: 17: SELECT
· WITH Clause. The WITH clause allows you to specify one or more subqueries that can be referenced by name in the primary query. The subqueries effectively act as temporary tables or views for the duration of the primary query. Each subquery can be a SELECT, TABLE, VALUES, INSERT, UPDATE, DELETE, or MERGE statement. When writing a data-modifying statement (INSERT, UPDATE, DELETE, or MERGE) in ...
3 days ago
100+ SQL Interview Questions and Answers - Intellipaat
· Write an SQL query to display each department along with the name of any employee who works in that department. If a department has no employees, show the department with NULL for the employee’s name. ... Write a query to get the top 10% of employees by salary. Hint: Use PERCENT_RANK() to filter out top percentages.
100
5 days ago
Top 10 SQL Tools for Efficient Data Analysis - onlinetoolguides.com
· We’ve picked the top 10 SQL tools for great data analysis. They help with data visualization and SQL reporting. These tools are for all levels, from newbies to experts. ... It helps write and run T-SQL queries well. The Object Explorer makes it easy to manage database objects. It shows them in a table with a search feature. Feature Description;
10
May 4, 2025
Top 100 Sql Queries
100+ SQL Interview Questions and Answers - Intellipaat
· In conclusion, we covered the top 100+ SQL interview questions and answers in this article that help you prepare and crack SQL jobs. We focused on covering essential concepts of SQL, like the basics of SQL queries, joins, subqueries, indexing, and performance optimization. Whether you are a beginner or an expert, understanding these topics will ...
100
5 days ago
Top 100 Sql Interview Questions And Answers 2025
· Top 50 Sql Interview Questions And Answers For Experienced Freshers Basic sql interview questions for freshers . sql is the backbone of modern data, and with 72% of developers using sql daily, hiring managers expect candidates to go beyond syntax. this section provides the top sql interview questions every fresher must master, from writing efficient queries to structuring data for real world ...
100
6 days ago
Top 50 SQL Interview Questions with Answers - undercodetesting.com
· Learn Basic SQL in 3.5 hrs; SQL Tutorial Videos (2024) Complete SQL (Beginner to Advanced) Full SQL Course for Beginners & Advanced Users; What Undercode Say. Mastering SQL is crucial for data engineering, cybersecurity, and backend development. These commands form the foundation for database manipulation, query optimization, and security testing.
50
4 days ago
SQL Intermediate Practice Questions - LearnSQL.com
· In this query, we use the CASE expression to assign each product to a price segment based on its price. The CASE syntax works like an if-else structure: it checks conditions in order and returns the corresponding value. Here, products under $20 are labeled 'budget', those between $20 and $99.99 are 'middle', and anything $100 or more is 'premium'.
5 days ago
100 MySQL Interview Questions and Answers (2024) - Turing
· Queries in MySQL are typically written using SQL (Structured Query Language), which is a standardized language designed to communicate with relational databases. A query typically consists of SQL commands, expressions, and operators that define criteria for how the database should search, filter, modify, or present the data.
100
4 days ago
10 Oracle SQL Interview Questions (Updated 2025) - DataLemur
· This SQL query begins by joining the . and tables based on customer_id. Then, it calculates the age of customers at the time of purchase and categorizes customers into age groups: '0-30', '30-50', and '> 50'. Finally, the query calculates the average purchase amount for each age group.
10
3 days ago
Top 40+ SQL Interview Questions for Experienced Professional
· UNION: It combines the results of two tables. It also removes duplicate rows from the tables. MINUS: It returns rows from the first query and not from the second query. INTERSECT: It returns rows returned by both queries. DELETE: It removes one or more rows from a table. TRUNCATE: It deletes all the rows from the table. Thus, it frees the space containing the table.
40
4 days ago
SQL Interview Questions For (Freshers + Experienced) - ScholarHat
· Top 50+ SQL Server Interview Questions: Prepare for your SQL Server interview with this comprehensive list of the top 50+ questions. By DotNetTricks. By DotNetTricks. ... SQL queries, joins, aggregations, subqueries, and data types are examples of commonly covered subjects. You may also be asked scenario-based questions that need you to exhibit ...
3 days ago
Top 5 In Sql Server
sql server - SQL Group BY, Top N Items for each Group - Stack Overflow
· I have a SQL Query which gets gets top 5 sold items at a given store. SELECT TOP 5 S.UPCCode, SUM(TotalDollarSales) FROM Sales S WHERE S.StoreId = 1 GROUP BY S.UPCCode ORDER BY SUM(S.TotalDollarSales) desc The Sales table has -> UPCCode, SaleDate, StoreId, TotalDollarSales. I am looking for a query which will return me Top 5 items sold for each ...
Mar 5, 2013
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required.
4 days ago
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· Understand Deadlocks in SQL Server. SQL Server Pivot: Top 5 Concepts. A Powerful Merge Statement in SQL Server. Categories DDL Commands. SQL Server Integration Services: Top 10 Best Usage. Leave a Comment Cancel reply. Comment. Name Email Website. Save my name, email, and website in this browser for the next time I comment. Search. Go. Facebook;
May 4, 2025
Improve the performance of full-text queries - SQL Server
· In SQL Server, you can improve the performance of the query by filtering out rows early to reduce the number of rows that must be processed later. The method that this article describes uses the Table-Valued Function (TVF) to filter out rows early and to reduce the number of rows that must be processed later. ...
5 days ago
SQL Server Filtered Indexes: How and When to Use Them
· SQL Server’s filtered index is one of the most effective features for improving query performance and reducing index maintenance. Whether you’re working with big tables that don’t have much data or queries that constantly filter by the same conditions, filtered indexes offer a smart way to focus only on the rows that matter most. ...
2 days ago
SQL Server Wait Statistics Library - SQLskills
· This site lists all wait types in SQL Server 2005 through SQL Server 2022/Azure SQL Database and gives detailed information about where they occur inside SQL Server. ... Arun Sirpal (top contributor!), Jonathan Kehayias, Erin Stellato, Tim Radney, Anthony Nocentino, Tim Chapman (MSFT), Steve Stedman, Josh Darnell, Kiera Randal (my daughter ...
3 days ago
SQL Interview Questions For (Freshers + Experienced) - ScholarHat
· Because, in this SQL Server Tutorial, we have provided the top 50+SQL interview questions for fresherstoSQL interview questions for experienced, and it prepares you strongly for the interview. So, let's look at some popular SQL interview questions to help you demonstrate your skills and confidence in data analysis.
3 days ago
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Introduced within SQL Server 2005, SQL Dynamic Management Views (DMVs) are significant features of SQL Server. Several DMVs provide data about execution plans, query stats, recent queries, and so on. These can be used together to determine what is going on with a SQL Server instance.
7
May 4, 2025
Top 5 Sql Databases
5 Modern MySQL-Compatible Databases Worth Knowing - ITLDC
· They speak the same SQL dialect, work with your PHP/Python/Go app, and often come with performance boosts, security perks, or fancy clustering magic. Let’s check out the top 5 open-source MySQL-compatible options you can host on your blazing-fast ITLDC NVMe VDS or bare metal server — because even your database deserves a five-star home.
5
May 4, 2025
Database Management Software List (May 2025) - SaaSworthy
· MySQL is an open source relational database management system that is based on SQL or Structured Query Language.It helps to organizing your business data in an orderly manner.It is highly popular, reliable and fast tool for accessing, editing and monitoring database content.The software enables multiple users to enjoy free access to diverse databases.This software can be easily run on UNIX ...
1 day ago
25 Best Database Management Software of 2025 - The CTO Club
· SQL databases are relational, using structured query language for defining and manipulating data, and are ideal for structured data with predefined schemas. NoSQL databases are non-relational, supporting a variety of data models like document, key-value, graph, or wide-column, and are suitable for unstructured or semi-structured data, offering flexibility and scalability.
25
5 days ago
Database Management Software: Top 25 for 2025 - Improvado
· 3 Postgre SQL. The open-source DBMS solution gets attention because of the invigorating indexing and configuration options. Postgre SQL is ideal if your daily business activities require you to import or export data.. As of now, Postgre SQL supports Python and JSON programming languages. Although it is a relational database solution, users are free to create NoSQL databases.
6 days ago
What is SQL Database: Definition, Benefits, and Use - The Knowledge Academy
· 5) Advantages of Using SQL Database . 6) List of SQL Database . 7) Key Features of SQL Database. 8) SQL vs. NoSQL Databases Differences. ... The top 3 most used SQL Databases are PostgreSQL, MySQL and SQLite. These databases are widely recognised for their performance, features, and community support. ...
4 days ago
Top Database Management Software List (May 2025) - SaaSworthy
· SpeedBase Professional is a custom database management software to help you build custom applications easily.You do not need working on your coding skill or do any programming at all to use this software.It supports full collaboration among team members with its multi-user edition feature.Orders, customers or clients related data can be at ease managed, processed and accessed using SpeedBase ...
4 days ago
Which Database You Should Choose For Web Development
· 3. Microsoft SQL Server. Microsoft SQL Server, an effective and commercial relational database management system. It provides efficient workload management and the same database can be used by multiple users. It creates specific containers allowing users to combine views and scripts of a group. You can store, modify, analyze and secure the data.
5 days ago
25 Best SQL Query Tools Reviewed In 2025 - The CTO Club
· Discover the top SQL query tool and find the best option for your team. Compare features, pros & cons, prices, and more in my complete guide. ... MySQL, PostgreSQL, SQLite, Salesforce, Amazon RDS, Azure SQL Database, Google BigQuery, and MariaDB. LEARN MORE ABOUT DEVART: Check out Devart on their website ; Pros and cons. Pros: Efficient data ...
25
5 days ago
Top 10 In Sql Server
Is there a maximum number of rows you can specify for TOP on SQL Server?
· When writing a query with the TOP clause in Microsoft SQL Server 2019, is there a limit to how high a number you can specify before the query fails? For example: SELECT TOP 9999999999999999 FROM table ORDER BY name I ask because I am using Bold BI with my SQL Server, which restricts the use of ORDER BY unless I also specify TOP. I want to set ...
6 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· Finding the Nth highest salary in a database table is a common challenge and interview question for SQL enthusiasts and professionals. This tutorial will guide you step-by-step through multiple methods of solving this problem in SQL, from using ranking functions to subqueries and the LIMIT clause.. In a relational database, retrieving the Nth highest salary is essential for analytical tasks ...
5 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required.
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· Mike D. has provided an answer on how SQL Server sorts data that might help you understand what is it about the deterministic result you see on some comments.. The Arguments of the ORDER BY doc says:. ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value.
3 days ago
Top 10 SQL Tools for Efficient Data Analysis - onlinetoolguides.com
· Toad for SQL Server: Advanced Database Management Solution. Toad for SQL Server is a top-notch SQL database management tool. It has many features that make working with data easy. You can roll back transactions, recall SQL scripts, and test scripts across multiple databases. Toad’s team tools are great for working together on projects.
10
May 4, 2025
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· A Powerful SQL Server Developer Edition. SQL Server Configuration Manager. SQL Managed Instance: Faster & Improved. TSQL Database Backup: Top 7 Usage. Explore DQS in SQL Server. Dbcc Freeproccache: A powerful command. Extended Events in SQL Server: A Deep Dive. SQL Server Database Mail. Query Store: A Powerful Tool. Understand Deadlocks in SQL ...
May 4, 2025
sql server - Simple view query takes a very long time - Database ...
· Windows Server 2012, Microsoft SQL Server. I have a stored procedure (see below) that creates a view that I need to query. The stored procedure part works great and takes like 5 seconds to finish, and the view is created. The view has about 30-35k rows. My problem is that running a simple query against the created view takes about 20 minutes!
3 days ago
Dynamic Management Views - MSSQLTips.com - SQL Server Tips
· sys.dm_exec_cached_plans – Cached query plans available to SQL Server; sys.dm_exec_sessions – Sessions in SQL Server; sys.dm_exec_connections – Connections to SQL Server; sys.dm_db_index_usage_stats – Seeks, scans, lookups per index; sys.dm_io_virtual_file_stats – IO statistics for databases and log files; sys.dm_tran_active_transactions – Transaction state for an instance of SQL ...
May 4, 2025
Top 10 Sql Databases
Database Management Software: Top 25 for 2025 - Improvado
· 3 Postgre SQL. The open-source DBMS solution gets attention because of the invigorating indexing and configuration options. Postgre SQL is ideal if your daily business activities require you to import or export data.. As of now, Postgre SQL supports Python and JSON programming languages. Although it is a relational database solution, users are free to create NoSQL databases.
6 days ago
Database Management Software List (May 2025) - SaaSworthy
· MySQL is an open source relational database management system that is based on SQL or Structured Query Language.It helps to organizing your business data in an orderly manner.It is highly popular, reliable and fast tool for accessing, editing and monitoring database content.The software enables multiple users to enjoy free access to diverse databases.This software can be easily run on UNIX ...
2 days ago
Top Database Management Software List (May 2025) - SaaSworthy
· SpeedBase Professional is a custom database management software to help you build custom applications easily.You do not need working on your coding skill or do any programming at all to use this software.It supports full collaboration among team members with its multi-user edition feature.Orders, customers or clients related data can be at ease managed, processed and accessed using SpeedBase ...
1 day ago
Top 10 NoSQL Databases for Data Science - Noble Desktop
· The following list reflects some of the top NoSQL databases for data science students and professionals. 1. MongoDB. ... Known for its many SQL database management systems and services, Oracle has also developed a NoSQL database that prioritizes web development. The Oracle NoSQL database employs the formats of JSON, tables, and key-value stores ...
10
5 days ago
What is SQL Database: Definition, Benefits, and Use - The Knowledge Academy
· The top 3 most used SQL Databases are PostgreSQL, MySQL and SQLite. These databases are widely recognised for their performance, features, and community support. Is SQL Easier Than Coding? SQL is considered user-friendly and easier to learn for many, especially for those not familiar with programming. It’s developed to be intuitive and ...
4 days ago
Top 10 SQL Tools for Efficient Data Analysis - onlinetoolguides.com
· MySQL Workbench is a strong tool for database work. It has great design tools, performance features, and migration tools. It’s a big help for those working with big data and databases. Toad for SQL Server: Advanced Database Management Solution. Toad for SQL Server is a top-notch SQL database management tool. It has many features that make ...
10
May 4, 2025
Best Database Management Software of 2025 - GoodFirms
· Organizations should choose wisely among tons of database management tools available in the market. Top IT professionals suggest considering visualization, reporting, and data security before subscribing to the one. Below is the GoodFirms' list of top database management software to consider:
2 days ago
Top 10 Records In Sql
Selecting top results from SQL Count query, including table join ...
· Using the 'rownum' to get the top result doesn't give the expected result, because it get the 10 first rows which are not ordred, and then order them (Please notify this on a comment on Andrew's response, I don't have the right to add the comment) .
4 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· It allows you to skip the first N-1 rows and then return the next row, which represents the Nth highest salary. Query to Find the 6th Highest Salary: SELECT * FROM (SELECT * FROM Employee ORDER BY sal DESC LIMIT 6) AS T ORDER BY T.sal ASC LIMIT 1; Explanation: The inner query selects the top 6 salaries from the Employee table ordered in ...
5 days ago
Oracle Sql Limit Clause Best Practices - Restackio
· Top-N Queries: The LIMIT clause is frequently used in conjunction with the ORDER BY statement to retrieve the top N records from a dataset. For instance, if you want to find the top 10 customers based on sales, you can easily achieve this by combining LIMIT with an appropriate ORDER BY clause.
6 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· thanks, that works, I'll have to chew on it for a while though... it looks like you are iterating from top down and the coalesce() will stick to the first not-null item it finds... but I'm having difficulty wrapping my head around the recursive UNION ALL (never thought SQL server could handle self referencing stuff), and the string concatenation of hierarchy is also tricky...
4 days ago
PostgreSQL: Documentation: 17: 7.6. LIMIT and OFFSET
· This is not a bug; it is an inherent consequence of the fact that SQL does not promise to deliver the results of a query in any particular order unless ORDER BY is used to constrain the order. The rows skipped by an OFFSET clause still have to be computed inside the server; therefore a large OFFSET might be inefficient.
3 days ago
PostgreSQL: Documentation: 17: SELECT
· WITH Clause. The WITH clause allows you to specify one or more subqueries that can be referenced by name in the primary query. The subqueries effectively act as temporary tables or views for the duration of the primary query. Each subquery can be a SELECT, TABLE, VALUES, INSERT, UPDATE, DELETE, or MERGE statement. When writing a data-modifying statement (INSERT, UPDATE, DELETE, or MERGE) in ...
Feb 20, 2025
SQL Intermediate Practice Questions - LearnSQL.com
· The product table contains: product_id, name, category, price, and launch_date. The purchase table records transactions and includes: purchase_id, customer_id, product_id, quantity, total_amount, and purchase_date.; Exercise 1: Monthly Revenue Summary. Exercise: Break down the purchase data by year and month, and show the number of orders (orders) and total revenue (revenue) for each period.
5 days ago
25 Best SQL Query Tools Reviewed In 2025 - The CTO Club
· Why I picked Navicat for SQL Server: It's tailored for SQL Server administration, providing tools to manage and optimize your databases efficiently. The software includes a visual SQL builder that simplifies query creation without requiring deep SQL knowledge. With its data modeling tools, you can design and visualize database structures with ease.
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5 days ago
Select Top 1 Row In Sql
sql - Select top 1 row with aggregate function - Stack Overflow
· select top 1 with ties id,playen,count(id) over (partition by id,playen) as countt ,temaname from #temp t1 order by row_number() over (partition by id,playen order by id,playen,temaname) Output: id playen countt temaname 1 Peter 3 Alpha 2 Mary 2 Gamma 3 John 2 Delta
4 days ago
sql server - How to SELECT TOP(1) with COALESCE to pick the top NOT ...
· It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required.
4 days ago
query - Strange behavior of TOP 1 clause sql server - Database ...
· But when I add TOP 1 clause to the above query, original DB shows the 2nd row (ignores first row) select TOP 1 person_id, visit_id, verification_code, mobileNo, created_date from person order by verification_code, created_date DESC ... This might be the issue that same query on same data fetch different TOP 1 row on different versions of SQL ...
3 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· The inner query selects the top 6 salaries from the Employee table ordered in descending order. The outer query orders the results in ascending order to retrieve the 6th highest salary, skipping the first 5 rows. Alternate Use of Limit select * from Employee ORDER BY `sal` DESC limit 5,1; // will return 6th highest . Output: 4.
5 days ago
sql server - How to return greater than 1, but also show 1 - Database ...
· But know the SEQ selection works only for 1-digit numbers, since a text comparison is performed. The text '2' is greater than '10', because 2 follows 1 in the lexical order. To avoid this problem either store the sequence in an int column or convert SEQ to an int before making the comparison: CONVERT(int, CPNAME.SEQ) > 1
4 days ago
sql - Can you specify 'unlimited' when using "Select TOP (@variable ...
· In SQL Server 2005 or later you can use following syntax to return a a variable number of rows: Declare @Limit Int Set @Limit=5 Select Top(@Limit) * From TableName Is there some magic value, that ...
4 days ago
PostgreSQL: Documentation: 17: SELECT
· WITH Clause. The WITH clause allows you to specify one or more subqueries that can be referenced by name in the primary query. The subqueries effectively act as temporary tables or views for the duration of the primary query. Each subquery can be a SELECT, TABLE, VALUES, INSERT, UPDATE, DELETE, or MERGE statement. When writing a data-modifying statement (INSERT, UPDATE, DELETE, or MERGE) in ...
3 days ago
7.8. WITH Queries (Common Table Expressions) - PostgreSQL
· WITH provides a way to write auxiliary statements for use in a larger query. These statements, which are often referred to as Common Table Expressions or CTEs, can be thought of as defining temporary tables that exist just for one query.Each auxiliary statement in a WITH clause can be a SELECT, INSERT, UPDATE, DELETE, or MERGE; and the WITH clause itself is attached to a primary statement that ...
7
3 days ago
Most Popular Sql Database
Database Management Software: Top 25 for 2025 - Improvado
· 2 Microsoft SQL Server. Microsoft's SQL Server is one of the most effective DBMS in existence. The free tag of the tool certainly attracts a large user base. Its custom-built graphical integration of best database designs has saved users' valuable time for years.
6 days ago
25 Best Database Management Software of 2025 - The CTO Club
· I’ve reviewed and evaluated the most popular database management software and shortlisted the best ones to improve data organization and enhance performance efficiency. ... Microsoft SQL Server, Amazon Aurora, SAP ASE, MariaDB, and Azure SQL Database. LEARN MORE ABOUT SOLARWINDS DATABASE PERFORMANCE ANALYZER: Check out SolarWinds Database ...
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5 days ago
Which Database You Should Choose For Web Development
· Still, there arises a lot of confusion as to which is the most popular database management system in terms of capabilities of its features, has the best data modeling tool, and the licensing. As per the survey 2022, ... Microsoft SQL Server. Microsoft SQL Server, an effective and commercial relational database management system. It provides ...
5 days ago
What is SQL Database: Definition, Benefits, and Use - The Knowledge Academy
· Popular SQL Databases include MySQL, PostgreSQL, Microsoft SQL Server, and Oracle. Whether you're a developer, data analyst, or business professional, understanding SQL Databases is essential for navigating today’s data-driven world. This blog explores how SQL Databases work, their key features and advantages, and why they remain critical in ...
4 days ago
Best Database Management Software of 2025 - GoodFirms
· MySQL is the world's most popular open source database. With its proven performance, reliability, and ease-of-use, MySQL has become the leading database choice for web-based applications, used by high profile web properties ...
2 days ago
Database Management Software List (May 2025) - SaaSworthy
· MySQL is an open source relational database management system that is based on SQL or Structured Query Language.It helps to organizing your business data in an orderly manner.It is highly popular, reliable and fast tool for accessing, editing and monitoring database content.The software enables multiple users to enjoy free access to diverse databases.This software can be easily run on UNIX ...
2 days ago
MongoDB: High Growth Database Software Company - Seeking Alpha
· We compiled the top database software ranked by DB-Engines above, which shows MongoDB trails behind PostgreSQL, MySQL, Redis, Microsoft SQL Server , and SQLite. In terms of the number of features ...
5 days ago
Top Database Management Software List (May 2025) - SaaSworthy
· List of all Top Database Management Software. Check out the product features, pricing, reviews, and alternatives. ... which is why SQLAI.ai supports most SQL and NoSQL databases such as Postgres, MySQL, Oracle, SQL Server, and MongoDB. Read more. SW Score Breakdown The SW Score breakdown shows individual score for product features.
1 day ago
Top 10 Largest Tables Sql
How to find out the tables that take up maximum memory in database?
· To find the top 10 InnoDB tables that can use the most memory in the worst case try this: SELECT * FROM ( SELECT table_schema,table_name,data_length+index_length tblsize FROM information_schema.tables WHERE engine='InnoDB' ORDER BY index_length DESC ) LIMIT 10; Here is another display of the top 50 tables by size descending
4 days ago
sql server - How to find memory usage by table? - Database ...
· what you can do is. Find out the database that consumes highest memory in buffer pool using below : SELECT COUNT(*) AS cached_pages_count , ( COUNT(*) * 8.0 ) / 1024 AS MB , CASE database_id WHEN 32767 THEN 'ResourceDb' ELSE DB_NAME(database_id) END AS Database_name FROM sys.dm_os_buffer_descriptors GROUP BY database_id
3 days ago
performance - What is a realistic, real-world, maximum size for a ...
· According to this article on Appropriate Uses For SQLite it says that, while SQLite is limited to 140 terabytes, a client/server RDBMS may work better:. An SQLite database is limited in size to 140 terabytes (2 47 bytes, 128 tibibytes). And even if it could handle larger databases, SQLite stores the entire database in a single disk file and many filesystems limit the maximum size of files to ...
3 days ago
25 Best Database Management Software of 2025 - The CTO Club
· Why I picked dbForge Studio for MySQL: The platform’s advanced code completion and syntax highlighting make writing SQL code easier, while its visual query builder allows even novice users to construct complex queries without deep SQL knowledge. In addition, the software offers tools for schema and data synchronization, ensuring consistency across databases.
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5 days ago
How can I select the row with the highest ID in MySQL?
· This Query is to get the max id +1 of Table Record So we can show the Current Record Number. SELECT MAX(Emp_ID)+1 AS Emp_IDMax from employee_master. Screen Shot of MaxID Record mysql. If Any One to know the highest Number Of Table Record MaxID Only then go with Following Query for mysql. SELECT MAX(Emp_ID) AS Emp_IDMax from employee_master
4 days ago
25 Best SQL Query Tools Reviewed In 2025 - The CTO Club
· Selecting a SQL query tool requires an understanding of the various pricing models and plans available. Costs vary based on features, team size, add-ons, and more. The table below summarizes common plans, their average prices, and typical features included in SQL query tool solutions: Plan Comparison Table for SQL Query Tools
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5 days ago
oracle - Should tables with very large records quantities be split into ...
· It's most certainly not "absolutely true." Splitting tables can cause problems of its own, as queries should (arguably) never have to blur the line between object identifiers and data... the name of the table where a given row will be found should not typically be something you ever have to construct (e.g. a "transactions_2014" table, for transactions in a particular year, 2014).
3 days ago
sql - query for selecting top 5 salaries from table - Stack Overflow
· Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog
4 days ago
Sql Query For Top 10 Records
Selecting top results from SQL Count query, including table join ...
· I have this query currently, which selects the top "number of pickups" in descending order. I need to filter only the top 10 rows/highest numbers though. How can I do this? I have tried adding 'W...
4 days ago
How to Find Nth Highest Salary from a Table? - GeeksforGeeks
· Finding the Nth highest salary in a database table is a common challenge and interview question for SQL enthusiasts and professionals. This tutorial will guide you step-by-step through multiple methods of solving this problem in SQL, from using ranking functions to subqueries and the LIMIT clause.
5 days ago
sql server - How to SELECT TOP (1) with COALESCE to pick the top NOT ...
· It is convenient for displaying, but completely inconvenient for SQL processing. If possible, I would recommend going to the standard parent-child storage scheme, and building FQPath in the query if required.
4 days ago
PostgreSQL: Documentation: 17: 7.6. LIMIT and OFFSET
· The query optimizer takes LIMIT into account when generating query plans, so you are very likely to get different plans (yielding different row orders) depending on what you give for LIMIT and OFFSET.
3 days ago
PostgreSQL: Documentation: 17: SELECT
· SELECT SELECT, TABLE, WITH — retrieve rows from a table or view Synopsis [ WITH [ RECURSIVE ] with_query [, …
3 days ago
PostgreSQL: Documentation: 17: 2.5. Querying a Table
· An SQL SELECT statement is used to do this. The statement is divided into a select list (the part that lists the columns to be returned), a table list (the part that lists the tables from which to retrieve the data), and an optional qualification (the part that specifies any restrictions).
3 days ago
Top 50 SQL Interview Questions with Answers - Undercode Testing
· A structured SQL cheat sheet with executable queries, database management commands, and verified learning resources. Prediction SQL will remain a fundamental skill in data engineering, with increasing demand for optimization and NoSQL integration in cloud databases like AWS RDS and DynamoDB. References: Reported By: Sachincw Top – Hackers Feeds
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4 days ago
100+ SQL Interview Questions and Answers - Intellipaat
· This blog on top SQL interview questions with answers has the most asked interview questions from top MNCs like Google, Microsoft, and Meta to help you crack your next SQL interview. These questions include SQL interview questions for freshers and experienced, as well as SQL query interview questions. 1.
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5 days ago