00374nam a2200157Ia 4500003000500000008004100005020001000046040000900056041001200065082002400077100002300101245005400124250000800178260000900186650002100195NDCL180829s9999||||ii |||||||||||||| ||eng||  a11852  aNDCL  aEnglish  a519.92 UJD216th ed  aUllman, Jeffrey D. 0aPrinciples of database systemscJeffrey D. Ullman  a3rd  c2008  aComputer Science