564___________________________________________ 10

10.1.6.5   Query,  

  Query   Table,  .
 (.  9.5  9).       -
,     SQL.     
  ,   Table,    Fields (, Que-
ry l->Fields[0])   FieldByName (, Query !->FieldByNa-
me("Dep")).         ,
    Query   ,   
 Query   .         -
      (, QuerylDep).



   Query        , -
   SQL.  ,     ,   .



      ,       
 .

          Value, AsSt-
ring, Aslnteger  ..,    Table.   ,   Table,  -
    ,  ,  -
  ,  .

 ,   Table,    DataSource. 
   ,     
. ,   ,    ,  -
   9   Table.     ,
    ,    (  Dep)   -
,        Pers, -
   Dep  ,     .  ,
      Dep   Pers   ,
   .

  .     Queryl, Data-
Sourcel, DBGridI     :  DBGridI  
DataSource  DataSourcel,   DataSourcel   DataSet -
 Queryl.  Queryl    Dep.   
 DatabaseName (, dbP),    SQL  

Select * from Dep

  Active  true  ,    : 
DBGridI     Dep.

   ,     Que-
ry2, DataSource2, DBGrid2,      Pers 

Select * from Pers

  Query2.   Active  Query2  true  
DBGrid2     Pers.

     ,   ,  
.     .    
.      SQL   
 Query2 

Select * from Pers where (Dep=:Dep)