00302nam a2200109 a 450000500170000008200180001710000210003524500390005626000440009530000280013963000250016720251203091416.0  a001.6442bMAR  aMartin, Jamesd_  aPrinciples of data-base management  aNew DelhibPrentice Hall of Indiac1988  axii, 352 p.c22 cm.bPB  aData-base Management