00381nam a2200121 a 450000500170000002000150001708200160003210000060004811000650005424500480011926000670016730000250023420251203110927.0  a0070591199  a005.74bINS  d_  aInstructional software research and development (ISRD) group  aIntroduction to Database management systems  aNew DelhibTata McGraw - Hill Publishing company Limitedc2006  axv, 338p.c24 cm. PB