000			00310nam a2200145Ia 4500
100			_aDate/C.J.
490			_vI
942			_cBK
654			_aData Base Systems
245			_aIntroduction To Data Base Systems
260			_bNarosa Pub. _aNEW DELHI _c1993
300			_a580
546			_aENGLISH
999			_c20683 _d20683