Forum Replies Created

Viewing 15 posts - 16,516 through 16,530 (of 49,552 total)

  • RE: Are the posted questions getting worse?

    Anyone got time to help out here http://www.sqlservercentral.com/Forums/Topic1362892-391-1.aspx?

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Maint. Question...Alter Index THEN UPDATE STATISTICS FULLSCAN, COLUMNS?

    Leeland (9/21/2012)


    Also, based on BOL, it says that sp_udatestats won't re-update the same stats just updated when a ALTER INDEX - REBUILD command occurs...but I can't find that same claim...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Maint. Question...Alter Index THEN UPDATE STATISTICS FULLSCAN, COLUMNS?

    2ndHelping (9/21/2012)


    However, to your other point, SQL Server maintains NO statistics for columns that are not part of any index, unless you create your own custom statistics with the "CREATE...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Temp DB getting full.. Any remedies

    That's default growth increments, as I said, you probably want larger growth increments.

    Growing a file manually - ALTER DATABASE ... ALTER FILE

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Verify your backups - NOW!

    Not talking about the backup process itself.

    The IO subsystem could incorrectly write the file. It could mangle the file after backing it up, it could corrupt the file during a...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Verify your backups - NOW!

    I never said the checksum was enough to ensure that it would restore correctly. I said if it restores correctly and the backup and restore were done with checksum, then...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Verify your backups - NOW!

    No, because backing up a corrupt database WITH CHECKSUM will fail (it checks the page checksums as it backs up). Hence, if a backup taken WITH CHECKSUM restores successfully WITH...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: cannot bring database back online

    Please post exact error messages. Also check the SQL error log for more errors.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Verify your backups - NOW!

    If the database restores you can be pretty sure that it is exactly as it was at the time of backup. Want to be completely sure, run CheckDB on the...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Temp DB getting full.. Any remedies

    Larger growth increments (fixed MB), grow TempDB manually, ensure there's enough space on the drive, tune the queries to use less TempDB.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: DBA Interview Questions needed - Serious only please.

    Checking memory's valid, but it would hardly be the first thing I'd do.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: sqlservr.exe Memory usage

    Firstly, don't use Task Manager to check SQL's memory, it can be very wrong.

    The max server memory affects the buffer pool size. There's additional memory used outside of the buffer...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Question on ACID properties

    stevro (9/21/2012)


    Again, going back to the original question, the only two queries/single statements that I can think of that does not conform to the ACID principles are Select INTO and...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Are the posted questions getting worse?

    Stefan Krzywicki (9/21/2012)


    capnhector (9/21/2012)


    ok im breaking out my "Realy? WTF" card on the behaviour twards the end of http://www.sqlservercentral.com/Forums/Topic1357081-392-3.aspx. did we really hit Godwin's law?

    Wow, I frequently disagree with...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: OPTIMIZE FOR UNKNOWN (parameter sniffing problem)

    Just asking if you wanted to think about that some more... 😉

    Local variables in a procedure do not automatically result in recompiles of that plan. Plans that involve local variables...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

Viewing 15 posts - 16,516 through 16,530 (of 49,552 total)