00511nam a2200157Ia 4500008004100000100002700041245003600068250000800104260003400112260000900146300000800155650002700163942001000190952013800200999001500338221231s9999    xx            000 0 und d  aUllman jeffrey D93212 0aPrincipal of  database systems  a3rd  bGalgotia Publications Pvt Ltd  c1992  a955  aComputer Science93213  cBE_BK  00104070aAITbAITd2015-06-24eMega Booksg350.00l0pBE05940r2022-12-31v350.00w2022-12-31yBE_BKzComputer ScienceB1900-01-01  c2914d2914