.


:




:

































 

 

 

 


.




4.1.17 goto ( ).

. . .

.

declare @RetVal int, @ObjectID DSIDENTIFIER declare @RetVal int, @ObjectID DSIDENTIFIER declare @RetVal int, @i int

, .

.

fetch MyCursor into @ID, @Value fetch MyCursor into @ID, @Value

fetch 80 , .

4.1.21 ID , , , . :

a. Property.sql tProperty

b. IntObj.sql tInterfaceObject ..

. , Dispatch- .

4.1.23 , .. .
@Param type = null. .

( ).

4.1.25 PROFILE_BEGIN_EX(' - start [. ]'), return PROFILE_END_EX(' - finish [end] [. ]'). , , PROFILE_TIME_VAR... PROFILE_TIME... , , . ( , ).
BEGIN_PROC, _ - END_PROC, .
run-time : M_LOG_INFO ( . ), M_LOG_ERROR ( ) M_LOG_DEBUG ( , )


M_FORCEPLAN . from , set forceplan on. M_FORCEPLAN_OFF set forceplan off. ( , , - )

4.1.27 UPDATE DELETE, FROM M_FORCEORDER, ANSI- (inner join). M_FORCEORDER UPDATE DELETE, , / , FROM -ANSI . ( MS SQL ( FORCE ORDER!) , UPDATE/DELETE, FROM).

, 2 M_FORCEORDER , ( , ).

4.1.29 set forceplan on/off ( MS SQL).

4.1.30 ( ) ( , , , ).

4.1.31 , ( WHERE) DECLARE CURSOR OPEN <> ( Sybase MS SQL, , ).





:


: 2016-11-02; !; : 493 |


:

:

, ,
==> ...

1765 - | 1739 -


© 2015-2024 lektsii.org - -

: 0.01 .