000			00494nam a22001931a 4500
020			_a8175155450
082			_a005.74 _bULL
100			_aUllman, Jeffrey D.
245			_aPrinciples of database systems
250			_a3rd.
260			_aNew Delhi: _bGalgotia, _c2013.
300			_axii, 670p.: _bill;
500			_aIncludes index
650			_aComputer programming, programs & data
650			_aDatabase models
650			_aNetwork model
650			_aRelational query language
942			_cBK
999			_c24 _d24