For those who can write SQL but don't understand PL/SQL: An explanation from basic syntax to practical pitfalls

An explanation from basic syntax to practical pitfallsYou can use SQL to search for data and retrieve records by specifying ...
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SELECT - GROUP BY clause (Transact-SQL)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric A ...
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TOP (Transact-SQL)

The TOP expression doesn't affect statements that might run because of a trigger. The inserted and deleted tables in the triggers return only the rows that are truly affected by the INSERT, UPDATE, ...