00273nam a22000857a 4500008004100000020002700041082002300068245006000091260003600151140124b        xxu||||| |||| 00| 0 eng d  a8178083752cAvailable   a005.758OZSb000212  aPrinciples of Distrbuted Database SystemscOzus Tamer M  aIndiabPearson Education c1999