
		          FIBQuery.


  1      ,  
        .
  2.        
    SQL.  
  3. SELECT * FROM Table1 where Field1=?AA  AA.IsNull=true
       SELECT * FROM Table1 where Field1 IS NULL
  4.  .
     @-  
              %-  
              #-          
    
       SELECT * FROM @TT%TABLE1 WHERE @F%FIELD1=@VAL%#
          
       SELECT * FROM TABLE1 WHERE FIELD1=""

         Params[i].
    
     Params.ByName['TT'].AsString:='TABLE2'
    
   
         
   