000 00270nam a2200121Ia 4500
008 230302s9999 xx 000 0 und d
041 _aeng
082 _a005.74DAT
100 _aDATE(C.J)
245 _aDatabase system
260 _aNEW DELHI
_bPEARSON
365 _cRS
999 _c145743
_d145743