, . . , , .
:
ADO (Active Data Objects) , Web- Web- .
BDE (Borland Database Engine) , Borland.
ODBC (Open Database Connectivity) , , SQL.
. 2.
.2.
. 2, ADO OLE DB (Object Linking and Embedding Databases ). OLE - . , . OLE‑ , , , , .
BDE , . DLL (Dynamic Link Library). BDE Borland (Paradox, dBASE), BDE ODBC SQL-. BDE , C++ Builder, Borland C++, Delphi, IntraBuilder JBuilder. BDE (.. , ).
ODBC. ODBC SQL . . . ODBC-.
ODBC :
, , SQL- .
.
.
.
SQL-, X/Open ISO CLI.
ODBC :
1) . ODBC SQL- .
2) . . DLL.
3) . ODBC SQL- , . . , .
4) . , .. .