     IB 5.x/6.x
=====================================================

(C) Lamantine Software Company 1994-2000
  




     ,         , 
    ,      
,     ,     .  
  ,  Informix,        
   .  Interbase,  ,     
 .

        ,        .
        ,
     .    Interbase   
  ,       .

   : SELECT * FROM TABLE_A A WHERE (SELECT Count(*) FROM TABLE_B B where B.F1=A.F2)>1
	   and SLEEP(x),  x -   .

       -         Sleep.
   Interbase   ,    UDF (UserDefinedFunctions).  
   -    Sleep(1) ( 1)  ,   
,      ,       .
    :
	*   ,        
	    ;
	*  ,        
	   ;
	*   -      100.

           ,      -
   NT         ,  
   ,      1000   
P-133     80%,   PII-400  30%.

         SPC-library (StoredProcedureControl-libary).

    ,      :

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		alex@lamantine.com

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