To Keep From Overwriting Existing Fields With Your Lookup You Can Use The ____________ Clause.
To Keep From Overwriting Existing Fields With Your Lookup You Can Use The Upsert Clause. When working with databases, it is often necessary to update existing data. This is where the Upsert clause comes into play. The Upsert clause is a combination of “update” and “insert” and allows you to perform both operations in one …