Posted By: Jovo () on 'CZdatabases'
Title:     Ad: Zajimavost
Date:      Wed Sep 11 21:05:14 2002

Ahoj.

   Select count(*) from a where exists
   select ... where IN(select)

  Ano, to jsou naprosto funkcni reseni, ale kdyz mate tabulky s miliony 
zaznamu, tak IN je pomaly jak svine (prominte to slovo) a exists je 
sice lepsi, ale take to neni ono.


Jovo.