This leaves the user free to focus on the logic of the query. Because the DBMS makes use of its internal knowledge, in most cases, the DBMS generates retrieval procedures that are faster than equivalent retrieval procedures built directly by the user.
This leaves the user free to focus on the logic of the query. Because theDBMS makes use of its internal knowledge, in most cases, the DBMS generatesretrieval procedures that are faster than equivalent retrieval procedures builtdirectly by the user.