Question

I have business scenario as

1. We will get all the data to the database including the duplicates

2. If we have any duplicated in a table take the most recent record from duplicates on perticular key by making all the remaining deplicate records flag to ‘X’

3. While processing to the next level filter the extraction by flag != ‘X’ so we can get only one most recent record from all the duplicate for a perticulat key.

How can we update all the records except the TOP 1 record.

any thoughts

thanks

prav

Answer 1

Not sure if this is what you mean:

UPDATE table
  SET yourstuff
WHERE yourclauses
    AND table.ID <> (select TOP 1 ID from table where yourclauses)