SQL queries allow you to retrieve, manipulate, or modify data from your database and are essential for database testing. With SQL queries, you can check the accuracy of your data operations, such ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

SQL CASE and IF statements are ... If there is no ELSE clause, it returns NULL. You can use a CASE statement in various places in your query, such as in the SELECT, WHERE, ORDER BY, or GROUP ...

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...

[sp_temp] AS BEGIN SET NOCOUNT ON; SELECT * from dbo.temp; END The output will be as below. Using the DROP IF EXISTS method before SQL Server 2016 required writing lengthy IF statement wrappers code.

This PowerShell Workflow runbook demonstrates how to communicate with a SQL Server. Specifically, this runbook outputs the number of records in the specified SQL Server database table. The runbook's ...