00273nam a2200109 a 450000500170000002000150001708200200003210000160005224500290006826000410009730000250013820251203091744.0  a0070518424  a005.13,bD, Rei  aReiss, Levi  aApplying SQL in business  aNew YorkbMitchell McGraw-Hillc1992  axviii, 238p.c24 cm.