Useful Undocumented SQL Server Extended Stored Procedures

undocumented extended stored procedures. These extended stored procedures work with SQL Server 7.0, as well as with SQL Server 2000. sp_MSgetversion
This extended stored procedure can be used to get the current version of Microsoft SQL Server. To get the current SQL Server version, run: EXEC master..sp_MSgetversion Note. A more common way to retrieve the current SQL Server version (this way provides more information) is to use following SELECT statement: SELECT @@version
xp_dirtree
This extended stored procedure can be used to get a list of all the folders for the folder named in the xp. To get a list of all the folders in the C:MSSQL7 folder, run: EXEC master..xp_dirtree ‘C:MSSQL7’
xp_subdirs
This extended stored procedure is used to get the list of folders for the folder named in the xp. In comparison with xp_dirtree, xp_subdirs returns only those directories whose depth = 1. This is the example: EXEC master..xp_subdirs ‘C:MSSQL7’
xp_enum_oledb_providers
This extended stored procedure is used to list of all the available OLE DB providers. It returns Provider Name, Parse Name and Provider Description. To get a list of all OLE DB providers for your SQL Server, run: EXEC master..xp_enum_oledb_providers
xp_enumcodepages
This extended stored procedure can be used to list of all code pages, character sets and their description for your SQL Server. To see this, list, run: EXEC master..xp_enumcodepages
xp_enumdsn
This extended stored procedure returns a list of all system DSNs and their descriptions. To get the list of system DSNs, run: EXEC master..xp_enumdsn
xp_enumerrorlogs
This extended stored procedure returns the list of all error logs with their last change date. To get the list of error logs, run: EXEC master..xp_enumerrorlogs
xp_enumgroups
This extended stored procedure returns the list of Windows NT groups and their description. To get the list of the Windows NT groups, run: EXEC master..xp_enumgroups
xp_fileexist
You can use this extended stored procedure to determine whether a particular file exists on the disk or not. The syntax for this xp is: EXECUTE xp_fileexist filename [, file_exists INT OUTPUT] For example, to check whether the file boot.ini exists on disk c: or not, run: EXEC master..xp_fileexist ‘c:boot.ini’
xp_fixeddrives
This very useful extended stored procedure returns the list of all hard drives and the amount of free space in Mb for each hard drive. To see the list of drives, run: EXEC master..xp_fixeddrives
xp_getnetname
This extended stored procedure returns the WINS name of the SQL Server that you’re connected to. To view the name, run: EXEC master..xp_getnetname
xp_readerrorlog
This extended stored procedure returns the content of the errorlog file. You can find the errorlog file in the C:MSSQL7Log directory, by default. To see the text of the errorlog file, run: EXEC master..xp_readerrorlog

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