Delphi. 11



         

TDataBase - 3


, , DataBase1. , . DataBase1 - , .3

.C: TDataBase

- , ( DatabaseName); ( INTRBASE); , . Parameter Overrides Defaults. , . - , .. , Name TDataSet (TTable, TQuery etc.).

BDE , . , .3, Parameter Overrides. ( ) Params DataBase1:

DataBase1.Params.Add(LANGDRIVER=ancyrr);

TDataBase ( StartTransaction), (Commit) (RollBack). , ( TransIsoltion).

TransIsolation Oracle Sybase and Informix InterBase

Microsoft SQL

 


Dirty read Read committed Read committed Dirty Read Read committed

Read committed(Default) Read committed Read committed Read committed Read committed

Repeatable read Repeatable read Read committed Repeatable Read Repeatable Read

Dirty Read - , , Commit. Read Committed - , . Repeatable Read - , , .