00338pam a2200121 a 4500020000500000041000500005082002000010245006600030260004700096300001900143653003100162700002300193  c  h  a005.740 68bULL  aFirst Course in Database Systems / cNULL.hTextual Documents  aDelhi : bPearson Education Inc. , c2001.  a258 ; c24*18.  aDatabase Management System  aWidom, Jennifer  .