00473nam a2200169Ia 4500999001500000003000400015005001700019008004100036040000900077082001800086100002800104245005500132250001200187260005300199300000900252942004200261  c8610d8610OSt20201008120114.0190216s9999||||xx |||||||||||||| ||und||  coclc  a001.64bULL/P  aUllman, Jeffrey D95462 0aPrinciples Of Database Systems /cJeffrey D Ullman  a2nd Ed.  bGalgotia Publication Pvt Ltd,c1999.aNew Delhi:  a484p  cBK2ddch001.64iULL/Pk001.64mULL/P