May be if we only have Sequence =1 for the particular PartNo, the record is considered unique.
>I don't get where Sequence comes into play here.
>
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>>PartId PartNo SerialNo Sequence
>>1 AS345 ANB-121 1
>>2 AS345 ANB-122 2
>>3 AS345 ANB-123 3
>>4 AS345 ANB-124 4
>>5 A34SF 1212544 1
>>6 B21AC ANB-A1 1
>>7 B21AC ANB-A2 2
>>8 ANG34 ANG34 1
>>
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>>From the above set the query should return rows 5 and 8 because those partnumber/serialno combinations only appear once.
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>>>>I have a table of part information. The combination of PartNo and SerialNo make the row unique. There is a Sequence column.
>>>>I want to get back all records where there is only one record for PartNo/SerialNo combination. I'm not sure what the syntax
>>>>for this query is. Can someone help?
>>>
>>>Not sure what you want, could you please post some data and desired result from it?
If it's not broken, fix it until it is.
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