Home Forums SQL Server 2008 SQL Server 2008 - General Add PK CLUSTERED to existing table with dependencies RE: Add PK CLUSTERED to existing table with dependencies

  • August 20, 2013 at 9:42 am

    #1643142

    ScottPletcher (8/20/2013)

    ChrisM@Work (8/20/2013)

    A primary key doesn’t have to be indexed

    I thought it did. Doesn't SQL always create an index to enforce a PK?

    It has to be indexed to work 😀

    Yes, it creates an index by default - but you can drop it.

    “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

    For fast, accurate and documented assistance in answering your questions, please read this article.
    Understanding and using APPLY, (I) and (II) Paul White
    Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden