000			00340nam a22001337a 4500
020			_a8175155450
082			_222 _a005.75
100			_aUllman, Jeffery C.
245			_aPrinciples of database systems /
250			_a3rd.
260			_aNew Delhi, _bGalgotia Publications, _cc2011.
300			_axi, 670p. ; _bill. ; _c24 cm.
942			_2ddc _cIT _01
999			_c446 _d446