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 ...

Beware, though, when many users start using table variables -- large amounts of RAM are used because all temporary tables are stored and processed directly in memory.

Learn about the common issues that arise when using table variables in SQL Server and how to improve your query performance and accuracy.

This happens because Liquibase does not split the SQL correctly if it contains @begin or #begin. Even though begin is a keyword in T-SQL, it's a valid identifier for a variable or temp table.

There are different approaches that try to simulate variable arguments. However, since Oracle 8, there is a better method that developers often don't consider: using a simple VARRAY to wrap the ...