. 4 , :
;
;
( SELECT SQL; , , );
2 . |
;
.
, . , , , .
, , . . , . ( 2).
- . - , . - . , - . , - , .
, GemStone GemStone Systems, - , - .
- , Odapter Hewlett-Packard Oracle, , , - .
- . , - . . , , (original identifier OID) . , , OID, , , .
. : (data manager layer) (storage manager layer). SQL, . ( SQL), ( ). (, OpenODB Hewlett-Packard, , ).
|
|
. - , , . , . ( ) - . , Sybase Informix . . , Shores - Oracle8, 1996 .
, , Object Design, , - . , - Ontos Integration Server Ontos, Ontos/DB.
.
1996 . . , , , , , , . , .
, , .
, , .
. Visual Basic, Power Builder, Forte Delphi, . -, - . , .
, , 1997 . . - , .
[1] , , , . ! .