This Table Variables vs Temporary Tables Quiz inserts one row into each, then rolls back. The table variable keeps its row and the temporary table loses it. A tested script proves it, and two more scripts show a rollback-proof log and the statistics gap.
Pass a Table to a Stored Procedure With a Table Type
To pass a table to a stored procedure, you create a table type and declare a parameter of that type. This post builds a type, a procedure and a call that inserts three classes at once, then a call that inserts a thousand rows, and explains four common errors. Every result comes from SQL Server 2025.