Forum Replies Created

Viewing 15 posts - 38,596 through 38,610 (of 49,552 total)

  • RE: Are the posted questions getting worse?

    Florian Reischl (6/8/2009)


    GilaMonster (6/8/2009)


    Hey Barry. How about some basic Computer Science theory to start the day?

    http://www.sqlservercentral.com/Forums/Topic730611-8-1.aspx

    Deja Vu (on a German forum...?!?)

    http://www.mycsharp.de/wbb2/thread.php?threadid=72300

    At least he went and found the wiki article himself....

    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: Move TEMPDB with service stopped?

    Is that iSCSI drive network attached storage?

    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: O(n) , O(n log n), O(n^2)

    karthikeyan (6/8/2009)


    Yes Gail...I have studied...But i don't remember the functionality...

    I have reviewed the above mentioed URL, Since there are lot of formula's are there,it is confusing...

    Ok, explain what you 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: Are the posted questions getting worse?

    Tom Brown (6/8/2009)


    I never did computers at University (Chemical Engineering dept didn't seem to have a use for them back in 1984) So this Big 'O' notation is completely new...

    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?

    Lynn Pettis (6/8/2009)


    GilaMonster (6/8/2009)


    Hey Barry. How about some basic Computer Science theory to start the day?

    http://www.sqlservercentral.com/Forums/Topic730611-8-1.aspx

    Oh, great, our "PhD Candidate". Could have warned us on that one, Gail.

    And spoil...

    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: Query to know time of rollback.

    GURSETHI (6/8/2009)


    Hi,

    We can also query a DMV which will tell how much %age a specific query has done.

    SELECT SESSION_ID, percent_complete, estimated_completion_time FROM SYS.DM_EXEC_REUQESTS

    From Books Online:

    percent_complete

    Percent of work completed for...

    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: Stored Proc

    Yes

    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?

    Hey Barry. How about some basic Computer Science theory to start the day?

    http://www.sqlservercentral.com/Forums/Topic730611-8-1.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: Query to know time of rollback.

    General rule-of-thumb. It will take longer to roll a process back than it did to do the work to that point. So if you roll back a process that has...

    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: O(n) , O(n log n), O(n^2)

    karthikeyan (6/8/2009)


    1) O(n) means ?

    2) O(n^2) means ?

    3) O(n log n) means ?

    Surely you covered the Big O notation for algorithmic (time) complexity at university? It's a fundamental of Comp...

    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: Possibility to add database on a shared drive which is not dependency of SQL Server resource

    You'll either have to fix the dependencies or move the DB files to a drive that's already a dependency.

    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: Database in Recovery Pending State

    Krishna Potlakayala (6/8/2009)


    Yes, the server is recovering the database. Was there any sudden shut down of the SQL Server? Just wait till it comes back online again.

    That's true of...

    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: How can I fire a trigger for each row when a BULKUPDATE happen..?

    In SQL Server triggers fire once per statement. There is no row trigger in SQL Server. The trigger fires once and all the affected rows are present in the inserted...

    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: Database in Recovery Pending State

    Recovery pending means that for some reason SQL cannot run restart recovery on the database. Usually this is because the log is missing or corrupt.

    "G:\Data\MSSQL\Database.mdf".

    "G:\Data\MSSQL\Data\Database_log.ldf"

    Do these files exist? Is 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: How to reduce the number of VLFs properly?

    When the log file is grown, the VLFs in the old portion are left as they are and new ones created for the new section. If you want to 'reset'...

    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 - 38,596 through 38,610 (of 49,552 total)