What is tempdb for?

Question

The TempDB database is one of the most important SQL Server system databases, that is used to store temporary user objects, such as the temporary tables that are defined by the user or returned from table-valued function execution, temporary stored procedures, table variables or indexes. 13 янв. 2020 г.

What is the use of tempdb?

Overview. The tempdb system database is a global resource that holds: Temporary user objects that are explicitly created. They include global or local temporary tables and indexes, temporary stored procedures, table variables, tables returned in table-valued functions, and cursors.

Can I delete tempdb files?

All tempdb files are re-created during startup. However, they are empty and can be removed. To remove additional files in tempdb, use the ALTER DATABASE command by using the REMOVE FILE option. Use the DBCC SHRINKDATABASE command to shrink the tempdb database.

Why is tempdb so big?

TEMPDB would have grown to 30GB at some point because it needed that much space for some certain queries. I would recommend you set the TEMPDB file size to 30GB - this will presize TEMPDB for you in case SQL SERVER is restarted since TEMPDB is recreated every time SQL Server is restarted.

Where is tempdb in SQL Server?

Drill down into the SQL Server instance, Databases, System Databases, and right click on the tempdb database. Select Properties in the pop-up menu. The Database Properties window will open.

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