DBCC dllname (FREE) (Transact-SQL)
Unloads the specified extended stored procedure DLL from memory.
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Transact-SQL Syntax Conventions
Syntax
DBCC dllname ( FREE ) [ WITH NO_INFOMSGS ]
Arguments
dllname
Is 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
Reference
sp_addextendedproc (Transact-SQL)
sp_dropextendedproc (Transact-SQL)
sp_helpextendedproc (Transact-SQL)