SELECT, INSERT, UPDATE with the SQL MERGE Statement

SELECT, INSERT, UPDATE with the SQL MERGE Statement

瀏覽:1325
日期:2025-11-17
Tweet Introduction Business Intelligence Developers call it a slowly changing dimension. Database developers call it an UPSERT. Whether it is a slowly changing dimension or an UPSERT, the basic pattern remains the same: UPDATE data if the key exists and i...看更多