1. , , ( , ). , , .
2. UNION.
3. .
4. . 6.4. .
. 6.4
5. (. 6.5). SUBJ_LECT ( ). . 6.6.
. 6.5
. . TDBGird. TEdit ( Varchar2), TMaskEdit ( Number) TDateTimePicker ( Date). (DAT_CRE) (ID_CRE) TEdit ( ).
. , . SQL ADOQuery1.
DBGrid1 .
. 6.6 -
. , , .
: ? . . .
tryexceptend TADOStoredProc. tryexcept Commit . , exceptend (Rollback).
:
DataModule1.ADOConnection1.BeginTrans;
DataModule1.ADOConnection1.CommitTrans;
DataModule1.ADOConnection1.RollbackTrans;
. 6.6. ( ). (. 6.7) . , ( ).
|
|
. 6.7
. TMaskEdit ( Number) , . (Number(10) 10 , Number(10,2) 10 , 2 , 10).
. . . .
.
6. Enabled 6.1. Enabled .
6.1
Enabled | Enabled | Enabled | Disabled | Disabled | |
Disabled | Disabled | Disabled | Enabled | Enabled | |
Disabled | Disabled | Disabled | Enabled | Enabled |
2. , , .