temporary tables

SQL Server Table Variables Overview

In the article, we are going to explore the basics of SQL Server table variables, compare local temporary table vs global temporary vs table variable, and examine a query execution plan performed with dbForge Studio for SQL Server.

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Introduction to SQL Server Temporary Tables

We all need to refer to temporary tables quite often. They are necessary to deal with interim aggregations or outputting intermediate results. However, it is also essential to delete temporary tables after using them. 

In this article, we’ll examine the basics of temporary tables and define how they differ from table variables. Then, we’ll learn how to delete temporary tables correctly, and we’ll create a stored procedure for deleting temporary tables in a current session.

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