Home Forums SQL Server 2012 SQL Server 2012 - T-SQL how to update column city value from 'A' to 'B' and 'B' to 'A' in single query RE: how to update column city value from 'A' to 'B' and 'B' to 'A' in single query

  • dastagiri16 (9/25/2013)


    hi,

    I have a table like

    id city

    1 A

    so i want to update city column from A to B and again B to A by in single statement..please help.

    Thanks

    Dastagiri

    Some background reading for you.

    “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