  OracleS,     ,       SELECT.               ,     .  SELECT           , ,     ,    ,     INSTEAD OF.
 OracleS         INSTEAD OF,    ,    .       ,  Oracle   ,  .   7.3        DML (Data Manipulation Language    )  INSERT, DELETE  UPDATE   ,   .   7.3    DML-  ,  ,     .       ,   ,        , ..  (),    ,  .
 OracleS  INSTEAD OF     ,      INSERT, DELETE  UPDATE. ,    ,  ,      ,    ,    (     SELECT...FOR UPDATE).     ,        .        DML-    ,         ( ).         :
          ,     ,  ;
            (  ).
     ,      ..   ,           .     .
 INSTEAD OF   :
         ,     ;
         ,    .
    , ,   . ,   :
CREATE VIEW emp_view AS SELECT * FROM emp;
3.    OracleS	29