Home Forums SQL Server 2005 T-SQL (SS2K5) inner join returns cartesian product why? RE: inner join returns cartesian product why?

  • March 8, 2011 at 4:59 am

    #1295775

    Michael Tocik (3/8/2011)

    dope!:blush:

    My mistake....I was joining on the wrong field

    Easily done. Try to get into the habit of using table aliases:

    SELECT i.order_number

    FROM INVOICE_DETAIL_CONF_ALL i

    INNER JOIN ORDER_EXTRACT_AUTO o

    ON o.[Ord No] = i.ORDER_NUMBER

    “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