What is TempDB mdf?

Question

TempDB is a global resource (available for all connected user) system database. SQL Server recreates the TempDB database each time SQL Service restarts. During restart, it takes a copy of MDF and LDF from the model database. The size and number of MDF and LDF files reset to preconfigured size. 15 авг. 2019 г.

Is it safe to delete TempDB MDF?

In the end, yes, it was safe for me to delete this file. SHRINKFILE wasn't working consistently (don't know why, probably something basic), and deleting the file worked perfectly. Kind of a voodoo move, yes, but the file was automatically recreated and no problems occurred.

What is a TempDB?

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.

What is TempDB log used for?

tempdb is used for temporary objects such as temp tables, table variables etc. it is also used for transfering large amounts of data between tables when the amount of memory is not enough to contain the transfer. tempdb will shrink and grow as the objects use it. The Log file (ldf) is used to store transactions.

Where is TempDB in SQL Server?

Where do I find the TempDB database on disk and in SSMS? The files can be found by querying sys. sysfiles dmv or the file pane on the database properties window. SELECT * FROM TempDB.

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