      ,   , ,     ,    .   ,        ,     .
               ,            PL/SQL.   ,            .     .  ,      ,   ,  , ,  .
,   ,  ,          ,      C/C++,  OCI.      OCI     C/C++,     .     ,     Oracle,    OCI,  C/C++,  ,     .
 
 OracleS  SQL   Oracle      .      .  PL/SQL,    SQL,     (,   Boolean)      TABLE  RECORD,        .
  OracleS              SQL           , :
CREATE OR REPLACE TYPE staff_assignment_o AS OBJECT ( staff_id   NUMBER , start_on   DATE , end_on     DATE , recover_at NUMBER ) ;
5. 	97