๐ Sql Server Select Top 10 Results
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
sql - select top 1 * returns diffrent recordset each time - Stack Overflow
· In another case I have to show the same result one by one. So I use SELECT TOP 1 * clause,rest of the query is same. I used Sql row_number() function to select items one by on serially. The problem is SELECT TOP 1 * doesn't return me same row as I get in SELECT TOP 12 *. Also the result set of SELECT TOP 12 * get changed each time I execute the ...
4 days ago
FROM clause plus JOIN, APPLY, PIVOT (T-SQL) - SQL Server
· Applies to: SQL Server 2016 (13.x) and later versions Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric In Transact-SQL, the FROM clause is available on the following statements: DELETE; UPDATE; SELECT; The FROM clause is usually required ...
3 days ago
sql - Select top 1 row with aggregate function - Stack Overflow
· sql; sql-server; t-sql; Share. Improve this question. Follow edited Aug 2, 2016 at 11:41. ... and your example (using ASC order) wouldn't produce the result in your example. โ jpw. Commented Aug 2, 2016 at 11:25. I have selected SQLServer based on syntax โ TheGameiswar. Commented Aug 2, 2016 at 11:41. ... select top 1 with ties id,playen ...
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
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
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
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
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
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
PostgreSQL: Documentation: 17: 7.6. LIMIT and OFFSET
· Thus, using different LIMIT/OFFSET values to select different subsets of a query result will give inconsistent results unless you enforce a predictable result ordering with ORDER BY. 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.
3 days ago
Sql Select Top 5
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.TotalDollarSa...
4 days ago
sql - How to select top five or 'N' rows in Oracle 11g - Stack Overflow
· select distinct ani_digit, ani_business_line from cta_tq_matrix_exp limit 5 I want to select top five rows from my resultset. if I used above query, getting syntax error.
4 days ago
sql - query for selecting top 5 salaries from table - Stack Overflow
· Possible Duplicate: How to select top N from a table How can a write a query for selecting the top 5 salaries from table ?
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
PostgreSQL: Documentation: 17: SELECT
· SELECT SELECT, TABLE, WITH โ retrieve rows from a table or view Synopsis [ WITH [ RECURSIVE ] with_query [, โฆ
3 days ago
Mastering SQL | Episode 7: Sorting & Filtering Data ORDER BY, TOP
· This beginner-friendly SQL tutorial will take you step by step through the basics of Structured Query Language (SQL), helping you understand how to work with databases efficiently.
6 days ago
Select Top 20 Sql
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
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 ...
· 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
SELECT clause - Azure Databricks - Databricks SQL | Microsoft Learn
· Select all matching rows from the table references. Enabled by default. DISTINCT. Select all matching rows from the table references after removing duplicates in results. named_expression. An expression with an optional assigned name. expression. A combination of one or more values, operators, and SQL functions that evaluates to a value. column ...
Jan 30, 2025
TABLESAMPLE clause - Azure Databricks - Databricks SQL
· Applies to: Databricks SQL Databricks Runtime 11.3 LTS and above. An optional positive INTEGER constant seed, used to always produce the same set of rows. Use this clause when you want to reissue the query multiple times, and you expect the same set of sampled rows.
2 days ago
VALUES clause - Azure Databricks - Databricks SQL | Microsoft Learn
· When using the SELECT syntax all expressions constitute a single row temporary table. The nth field of each tuple must share a least common type. If table_alias specifies column names, their number must match the number of expressions per tuple.
Mar 1, 2024
PostgreSQL: Documentation: 17: 2.5. Querying a Table
· To retrieve data from a table, the table is queried.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
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
Select Top 50 Sql
t sql - Is there a maximum number of rows you can specify for TOP on ...
· 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
· 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 - 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
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Run the query below to get the Top 10 most executed T-SQL calls. SELECT TOP (10) LEFT(t.[text], 50) AS [ShortQueryText] ,qs.execution_count AS [ExecutionCount] ,qs.total_logical_reads AS [TotalLogicalReads] ,qs.total_logical_reads / qs.execution_count AS [AvgLogicalReads] ,qs.total_worker_time AS [TotalWorkerTime] ,qs.total_worker_time / qs ...
7
May 4, 2025
SELECT clause - Azure Databricks - Databricks SQL | Microsoft Learn
· Select all matching rows from the table references. Enabled by default. DISTINCT. Select all matching rows from the table references after removing duplicates in results. named_expression. An expression with an optional assigned name. expression. A combination of one or more values, operators, and SQL functions that evaluates to a value. column ...
Jan 30, 2025
How to Identify and Eliminate Expensive Queries in SQL Server
· SQL Server Management Studio includes built-in performance reports that can quickly surface expensive queries: Right-click your server in Object Explorer. Select Reports > Standard Reports. Choose Performance - Top Queries by Average CPU Time or other relevant options. Section 2: Analyzing Expensive Queries 2.1 Understanding Query Patterns
5 days ago
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· User-Friendly: SQL has English-like syntax, making it easier and more accessible to non-programmers. Disadvantages of SQL Commands: A Bit of Complexity: Advanced queries can become complex and challenging to manage. Limited Procedural Capabilities: Standard SQL lacks procedural features, requiring extensions.
May 4, 2025
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. ... SELECT INSTR(FIRST_NAME, 'b') FROM Worker WHERE FIRST_NAME = 'Amitabh'; 6. Remove right-side whitespace from FIRST_NAME:
50
4 days ago
Sql Select Top 10
PostgreSQL: Documentation: 17: 7.6. LIMIT and OFFSET
· Thus, using different LIMIT/OFFSET values to select different subsets of a query result will give inconsistent results unless you enforce a predictable result ordering with ORDER BY. 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.
3 days ago
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
PostgreSQL: Documentation: 17: 2.5. Querying a Table
· To retrieve data from a table, the table is queried.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).
Feb 20, 2025
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Run the query below to get the Top 10 most expensive T-SQL CPU consumers. SELECT TOP (10) DB_NAME(t.[dbid]) AS [Database] ,REPLACE(REPLACE(LEFT(t.[text], 255), CHAR(10), ''), CHAR(13), '') AS [ShortQueryText] ,qs.total_worker_time AS [Total Worker Time] ,qs.min_worker_time AS [MinWorkerTime] ,qs.total_worker_time / qs.execution_count AS ...
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 ...
Feb 20, 2025
Use layout rules to format SQL such that keyword and content in the ...
· it formats the SQL to . select top 10 * from abc where keya = 1 I tried all the possible values (alone, leading), and adding 'keyword_line_position = leading' to the layout rules of "where" and "from" clauses, it will always break after keyword. i am copying the default configuration from sqlfluff. sql; ...
5 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
Ms Sql Select Top 10
t sql - Is there a maximum number of rows you can specify for TOP on ...
· 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
sql - Querying a CSV file - Super User
· A tutorial (and a another one) on using the SQL like query language with CSV files I found using google. Example Query: logparser -i:CSV "SELECT TOP 10 Time, Count INTO c:\logparser\test\Chart.GIF FROM c:\logparser\test\log.csv ORDER by Time DESC" -charttype:bar3d
4 days ago
SELECT clause - Azure Databricks - Databricks SQL | Microsoft Learn
· Select all matching rows from the table references. Enabled by default. DISTINCT. Select all matching rows from the table references after removing duplicates in results. named_expression. An expression with an optional assigned name. expression. A combination of one or more values, operators, and SQL functions that evaluates to a value. column ...
Jan 30, 2025
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
sql - query for selecting top 5 salaries from table - Stack Overflow
· Give him a chance to clarify before you close his question, there's obviously a real question here. @shailesh please specify what database you're using and provide some context to your question (table structure)
4 days ago
Cross apply (select top 1) much slower than row_number()
· Using AdventureWorks, listed below are queries for For each Product get any 1 row of its associated SalesOrderDetail.. Using cross apply it takes 14000ms. The equivalent row_number version takes only 70ms (200x faster).. cross apply is also slower than a simple inner join of all Products and SalesOrderDetails which returns 121317 rows (vs 266 rows when limited with TOP 1).
3 days ago
Top 5 Results In Sql
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.TotalDollarSa...
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
PostgreSQL: Documentation: 17: Chapter 7. Queries
· The previous chapters explained how to create tables, how to fill them with data, and how to manipulate that data. Now we finally discuss how to retrieve the data from the database.
3 days ago
Explore SQL Commands: Top 25 Commands - MadeSimpleMSSQL
· Explore the world of SQL Commands with this in-depth guide covering definitions, types, best practices, examples, and 50 Interview questions.
May 4, 2025
SQL Intermediate Practice Questions - LearnSQL.com
· Practice your SQL skills with 10 intermediate-level questions based on real-world scenarios. Includes solutions using GROUP BY, CASE WHEN, subqueries, CTEs, and more.
5 days ago
5 SQL Tips That Will Make You a Faster, Smarter Coder
· Avoid slow queries, messy joins, and accidental deletes. These SQL tips will help you write safer, faster, and more readable database code.
5
5 days ago
Top 5 Beginner SQL Projects to Build a Job-Ready Data Analytics Portfolio
· These 5 hands-on SQL projects are perfect for beginners who want to gain real experience, showcase their skills, and get interview-ready. Youโll use tools like SQL, Excel, and Tableau to explore data, write powerful queries, and visualize meaningful insights. ๐๐๐ฒ ๐๐๐ญ๐๐ซ ๐๐ฅ๐๐๐๐ฆ๐๐ง๐ญ ๐๐ซ๐๐ข๐ง๐ข๐ง๐ ๐๐ซ๐จ๐ ๐ซ๐๐ฆ ...
5
3 days ago
9 Facebook/Meta SQL Interview Questions - DataLemur
· SQL QUESTION 5: What's the difference between a left and right join? In SQL, a join generally retrieves rows from multiple tables and combines them into a single result set.
9
6 days ago
Sql Query Select Top 10
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
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
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
PostgreSQL: Documentation: 17: 7.6. LIMIT and OFFSET
· Thus, using different LIMIT/OFFSET values to select different subsets of a query result will give inconsistent results unless you enforce a predictable result ordering with ORDER BY. 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.
3 days ago
How to Identify and Eliminate Expensive Queries in SQL Server
· Identifying and optimizing these resource-intensive queries is one of the most impactful performance tuning activities a DBA or developer can perform. This guide walks you through practical techniques to find, analyze, and fix your most expensive SQL Server queries. Section 1: Identifying Expensive Queries 1.1 Using SQL Server's Built-in Tools
5 days ago
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· Run the query below to get the Top 10 most expensive T-SQL CPU consumers. SELECT TOP (10) DB_NAME(t.[dbid]) AS [Database] ,REPLACE(REPLACE(LEFT(t.[text], 255), CHAR(10), ''), CHAR(13), '') AS [ShortQueryText] ,qs.total_worker_time AS [Total Worker Time] ,qs.min_worker_time AS [MinWorkerTime] ,qs.total_worker_time / qs.execution_count AS ...
7
May 4, 2025
sql - Querying a CSV file - Super User
· A tutorial (and a another one) on using the SQL like query language with CSV files I found using google. Example Query: logparser -i:CSV "SELECT TOP 10 Time, Count INTO c:\logparser\test\Chart.GIF FROM c:\logparser\test\log.csv ORDER by Time DESC" -charttype:bar3d
4 days ago
Sql Server Select Top 1
sql - Select top 1 row with aggregate function - Stack Overflow
· Question - is there a way of doing this in one query, or do I have to use temporary tables for selection top 1 team and for counting number of relations and then select data indo separate final table? I tried something like this: ... Assuming this is SQL Server try this : Select t.ID, t.Name, team.TeamName, count(t.TeamName) countt from @temp t ...
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 ...
· I have a SQL Server database and restored it on another server on a different machine. Now I run following same query on both DBs which produces same below result set. select person_id, visit_id, ... select TOP 1 person_id, visit_id, verification_code, mobileNo, created_date from person order by verification_code, created_date DESC while ...
3 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
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. ... Query 1: SELECT DISTINCT sal FROM Employee ORDER BY sal DESC LIMIT 4; Output: ... in SQL Server to find the last value from any table. LAST_VALUE() function used in SQL server is a type of window function that results the last value in an ordered ...
5 days ago
MAX CASE WHEN in SQL โ 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
FROM clause plus JOIN, APPLY, PIVOT (T-SQL) - SQL Server
· SQL Server returns errors when duplicate names appear in the FROM clause. table_or_view_name. The name of a table or view. If the table or view exists in another database on the same instance of SQL Server, use a fully qualified name in the form database.schema.object_name.
Mar 7, 2025
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
Sql Server Select Top 10
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
Top 7 Dynamic Management View (DMV) Queries in SQL Server - Red9
· To effectively monitor and optimize your SQL Server Analysis Services (SSAS) instance, itโs essential to use the right tools and understand the permissions required to query DMVs. Available Tools for Running DMV Queries: SQL Server Management Studio (SSMS) โ Ideal for ad-hoc DMV queries, troubleshooting, and live performance checks.
7
May 4, 2025
Detecting Expensive Queries - Rishan Solutions
· Here's a comprehensive and detailed guide on Detecting Expensive Queries in SQL Server, covering various methods, tools, and best practices to identify and troubleshoot performance bottlenecks. ๐ง Introduction Detecting expensive queries is a critical aspect of database performance tuning. ... SELECT TOP 10 qs.total_worker_time AS CPU_Time ...
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
Using local Large Language Model OLLAMA with SQL Server
· Learn how to use a local Large Language Model OLLAMA with SQL Server and ask the model questions using SQL code. ... ,@Model nvarchar(10) ,@Temp nvarchar(10) ,@Top nvarchar(10) ,@Seed nvarchar(10)) AS BEGIN DECLARE @Answer varchar(MAX) = ''; IF @Model IS NULL OR @Model = '' SET @Model = 'Mistral'; -- From 0 more factual to 1 more creative IF ...
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SQL Server ๅธธ็จๆไฝใSQLๆด็ - ๅค็งๅ - ๅๅฎขๅญ
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