Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc. - MicrosoftDocs/sql-docs ...

Transact-SQL reference for using DECLARE to define local variables for use in a batch or procedure. Variables are declared in the body of a batch or procedure with the DECLARE statement and are ...

What Is Tsql Function? Users-defined functions are Transact-SQL or CLRS (common language runtime) routines that take parameters, perform actions, such as complex calculations, and return the results ...

Learn the differences between scalar and table-valued functions in T-SQL and how to use them for better query performance and readability.