DBCC dllname (FREE) (Transact-SQL)
Applies to:
SQL Server
Unloads the specified extended stored procedure DLL from memory.
Transact-SQL syntax conventions
Syntax
DBCC <dllname> ( FREE ) [ WITH NO_INFOMSGS ]
Note
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.
Arguments
<dllname>
The name of the DLL to release from memory.
WITH NO_INFOMSGS
Suppresses all informational messages.
Remarks
When an extended stored procedure is executed, the DLL remains loaded by the instance of SQL Server until the server is shut down. This statement allows for a DLL to be unloaded from memory without shutting down SQL Server. To display the DLL files currently loaded by SQL Server, execute sp_helpextendedproc
.
Result sets
When a valid DLL is specified, DBCC <dllname> (FREE)
returns:
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Permissions
Requires membership in the sysadmin fixed server role or the db_owner fixed database role.
Examples
The following example assumes that xp_sample
is implemented as xp_sample.dll
and has been executed. DBCC <dllname> (FREE)
unloads the xp_sample.dll
file associated with the xp_sample
extended procedure.
DBCC xp_sample (FREE);
See also
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