SQL 2000; Delete Trigger


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Thread: SQL 2000; Delete Trigger

  1. #1
    Join Date
    Jun 2004
    Posts
    288

    SQL 2000; Delete Trigger

    SQL 2000 Server
    -------------------

    I have three tables connected by a parent-child relationship :a,b &c

    I have a trigger in table b with line:
    SET @lng_clientid = (SELECT lng_clientid FROM deleted)

    Through the Enterprises manager when I delete a record from table a, I get the following message:
    "Subquery returned more than one value"

    However, even though there are two records in b, it should delete one record at a time (in that way there is only one value for @lng_clientid ) and should not give that error; right?

    Why is this happening so?

  2. #2
    Join Date
    Jun 2006
    Posts
    4
    Its a table level trigger and not row level trigger. You should count the rows in deleted table (Select Count(*) from deleted) before process the table.

  3. #3
    Join Date
    Jun 2004
    Posts
    288
    Can we make a row level trigger? What is the difference between a table level and row level trigger?

  4. #4
    Join Date
    Jun 2006
    Posts
    4
    No, it is not possible in SQL Server 2000 or earlier. It is there with Oracle

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