What is tempdb in sql?

What is the TempDB used for in SQL?

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 resource DB in SQL Server?

The Resource database is a read-only database that contains all the system objects that are included with SQL Server. SQL Server system objects, such as sys. objects, are physically persisted in the Resource database, but they logically appear in the sys schema of every database.

Why TempDB is full in SQL Server?

CREATE the necessary space by dropping objects in the filegroup, adding additional files to the filegroup,or setting autogrowth on for existing files in the filegroup. When investigating a TempDB issue like this, most simply restart the SQL Server instance.

What happens if TempDB is full?

The TempDB database is special in many ways, but an interesting aspect is that when its files automatically grow when they become full, this growth is not persisted and will be undone on the next restart of the SQL Server service.