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>Okay. I understand that and what a *null value is then. Does >that mean the null maps are there to help the programmer to >check the value of fields as part of the trigger processing? The null map is there to let the program check to see if the corresponding field is null. You can't tell if a field is null by looking at the field, you must look at the null indicator. Did I misunderstand the question? (It won't be the first time!) --buck
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