00763nam a2200241Ia 450000500170000000800410001702000180005804000180007604100080009408200230010210000150012524500800014025000120022026000700023230000310030265000220033365000220035565000410037765000270041865000340044565000180047965000240049720250303085913.0210716s2011    xx            000 0 und d  a9789350236086  cAIMIT LIBRARY  aeng  a005.7402 22bDATC  aDate, C J.  aSQL and relational theory :bhow to write accurate SQL code /cBy C J Date.  a2nd ed.  aNew Delhi :bShroff  Publishers and Distributors Pvt Ltd ,c2011.  axv, 428,27p. ;cPBb24 cm.  aSetting the scene  aTypes and domains  aTuples and relations rows and tables  aNo duplicates no nulls  asql and relational algebra II  aSQL and logic  aSql and constraints