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Do as I Say, Not as I Do

Do as I Say, Not as I Do. Robert L Davis. Who am I?. No one of consequence. Time is short! Please hold all questions until the next person’s session. xp_createsubdir. Exec x p_createsubdir 'c: bak ' ;. Creates the specified directory path Doesn’t overwrite existing directories or files

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Do as I Say, Not as I Do

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  1. Do as I Say, Not as I Do Robert L Davis

  2. Who am I? No one of consequence.

  3. Time is short!Please hold all questions until the next person’s session.

  4. xp_createsubdir

  5. Exec xp_createsubdir'c:\bak'; • Creates the specified directory path • Doesn’t overwrite existing directories or files • No error if directories already exist • Error only returned if insufficient permissions

  6. xp_fileexist

  7. Exec xp_fileexist'c:\bak';Exec xp_fileexist'c:\bak\db.bak'; • Checks for existence of file or folder • File Exists = 1 if a file and exists • File is a Directory = 1 if a folder and exists

  8. xp_instance_regxxx

  9. xp_instance_regread;xp_instance_regenumvalues;xp_instance_regenumkeys;xp_instance_regread;xp_instance_regenumvalues;xp_instance_regenumkeys;

  10. xp_instance_regwrite;xp_instance_regaddmultistring;

  11. xp_instance_regremovemultistring;xp_instance_regdeletevalue;xp_instance_regdeletekey;xp_instance_regremovemultistring;xp_instance_regdeletevalue;xp_instance_regdeletekey;

  12. Declare @BakDirnvarchar(4000), @DefBakDirnvarchar(4000);Set @Instance =IsNull('\'+Cast(ServerProperty('InstanceName')assysname),'');Set @DefBakDir ='E:\mssql\bak'+ @Instance;-- Check default backup locationExecxp_instance_regreadN'HKEY_LOCAL_MACHINE',N'Software\Microsoft\MSSQLServer\MSSQLServer',N'BackupDirectory', @BakDiroutput,'no_output‘;-- If default setting null or <> to desired path, setIfIsNull(@BakDir,'')<> @DefBakDirBeginExecxp_instance_regwriteN'HKEY_LOCAL_MACHINE',N'Software\Microsoft\MSSQLServer\MSSQLServer',N'BackupDirectory', REG_SZ, @DefBakDir;End-- Make sure path exists (DUH!)Execxp_create_subdir@BakDir;

  13. xp_enumerrorlogsxp_readerrorlogs [#]xp_dirtree'c:'xp_subdirs'c:\bak'xp_fixeddrives

  14. Trace flag 3604

  15. DBCC TraceOn(3604); • Redirects output from the error log to the console • Use with DBCC PAGE

  16. DBCC Ind()

  17. DBCC Ind ('DB','Table',Index ID); • Returns internal info about an index • DBCCInd • ('AdventureWorksDW2008R2', • 'DimAccount', • 1);

  18. DBCC Page()

  19. DBCC Page ('DB', File #,Page #,Option #); • Returns internal info about a page • Use with trace flag 3604 • Use with DBCC Ind • PageFID = File number • PagePID = Page # • DBCCPage • ('AdventureWorksDW2008R2', 1, 3458, 3);

  20. DBCC Page ('DB', File #,Page #,Option #); DBCCTraceOn(3604); -- PageFID = File Number, PagePID= Page Number DBCC Page('AdventureWorksDW2008R2', 1, 3458, 3) ;

  21. Do as I Say, Not as I Do Q&A

  22. Do as I Say, Not as I Do Thank You! • The PowerPoint slide-deck will be available on my website: • http://www.sqlsoldier.com

  23. Microsoft Certified Master

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