Sentencias SQL

Sentencias SQL

1. ·

   • DDL
     • ALTER...
       • ANALYZE, ASSOCIATE, STATISTICS, AUDIT, COMMENT
     • CREATE...
       • DISASSOCIATE, STATISTICS
     • FLASHBACK...
       • GRANT, NOAUDIT, PURGAR, RENAME, REVOKE,TRUNCATE, UNDROP
   • DML
     • CALL, DELETE, EXPLAIN, PLAN, INSERT, LOCK ,TABLE, MERGE, SELECT, UPDATE
   • DCT
     • COMMIT, ROLLBACK, SAVEPOINT, SET, TRANSACTION
   • DCS
     • ALTER, SESSION, SET, ROLE
   • DCL
     • GRANT, REVOKE
   • TCL
     • COMMIT, ROLLBACK, SAVEPOINT, SET TRANSACTION

2. ·

   • DDL
     • CREATE, ALTER, DROP, TRUNCATE, COMMENT, RENAME
   • DML
     • SELECT, INSERT, UPDATE, DELETE, MERGE, CALL, EXPLAIN PLAN, LOCK TABLE
   • DCL
     • GRANT, REVOKE
   • TCL
     • START TRANSACTION, SAVEPOINT, COMMIT y ROLLBACK [TO SAVEPOINT]
   • DQL
     • SELECT, SHOW y HELP

3. VDL

   • (Idioma de definición de vista): representa las vistas de los usuarios y su asignación al esquema conceptual.

4. SDL

   • (lenguaje de definición de almacenamiento): especifica la asignación entre dos esquemas.

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