Home Forums SQL Server 2012 SQL Server 2012 - T-SQL Update table using CTE or using inner query on same table RE: Update table using CTE or using inner query on same table

  • July 31, 2015 at 7:13 am

    #1816408

    It won't lock the entire table, it'll lock the row being updated.

    You can't do a select * with no where clause because there's a row locked. If the entire table was being locked due to the update, then you wouldn't be able to run a select on some other account, and as you show, you can.

    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

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