Cascade Update Oracle SQL and PL/SQL solution to overwrite a primary or any other unique key column value Why? Because sometimes we need to overwrite a primary or any other unique key column value.

DROP trigger if exists update_objects_updated_at on storage.objects; CREATE TRIGGER update_objects_updated_at BEFORE UPDATE ON storage.objects FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column ...

To add, drop, or modify a column's definition or attributes, use the ALTER TABLE statement, described in ALTER TABLE Statement . In the SET clause, a column reference on the left side of the equal ...

It is a common requirement in sql server development to update top n records in sql server.in this blog we will see two approaches to accomplish the same.1) using update with top update top (100) ...