Evaluates two sets and removes those tuples in the first set that also exist in the second set, optionally retaining duplicates.
If ALL is specified, the function retains duplicates found in the first set; duplicates found in the second set will still be removed. The members are returned in the order they appear in the first set.
Evaluates two sets and removes those tuples in the first set that also exist in the second set, optionally retaining duplicates.
If ALL is specified, the function retains duplicates found in the first set; duplicates found in the second set will still be removed. The members are returned in the order they appear in the first set.