000			00404nam a2200157Ia 4500
005			20250828043156.0
008			250826s9999||||xx |||||||||||||| ||und||
020			_a9788131512647
082			_a005.74 R 51 P
100			_aRitchie, Colin
245		0	_aPrinciples of database systems and design
260			_aNew Delhi _bCengage Ltd _c2011
300			_a442 p.
690			_aComputer science
942			_cBK
999			_c1921 _d1921