00367nam a2200145 a 450000500170000002000150001708200190003210000260005124500290007725000120010626000370011830000280015570000200018370000180020320251203110930.0  a007124476X  a005.74068bSIL  aSilberschatz, Abraham  aDatabase system concepts  a5th ed.  aNew YorkbHigher Educationc2006  axxvi, 1142p.c24 cm. PB  aKorth, Henry F.  aSudarshan, S.