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Table Read / Update Basics

  • May 19, 2008 at 10:33 am

    #186776

    Hi All

    This sounds to be a silly question, but i nees ur views on this.

    How does a Read Commited (SQL Default ) Isloation Level behave on Updation

    for example, if a row is been updated, SQL server locks that particular row, and relaeases once the update is complete.

    I am facing some problems, when the table is updated, its not locking that particular row, it seems to be locking a bunch of rows, so i cant read some rows. select statement has to wait untill that row is been updated.

    Cheers

  • May 20, 2008 at 1:50 am

    #817629

    I believe you can limit that a bit by using the WITH (ROWLOCK) hint on the update.

    --Jeff Moden

    RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
    First step towards the paradigm shift of writing Set Based code:
    ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

    Change is inevitable... Change for the better is not.

    Helpful Links:
    How to post code problems
    How to Post Performance Problems
    Create a Tally Function (fnTally)

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