00584nam a22002057a 4500999001100000005001700011020000600028040000800034041000800042082001700050100002200067245003400089250001200123260005700135300003800192500001800230650001900248942001200267952009900279  c81d8120190214100653.0  a-  cAEF  aeng  a001.641bJET1 aUllman, J. O.9571 aPrinciples of database system  a2nd ed.  aNew Delhi :bGalgotia Publications Pvt., Ltd.c2004.  avii, 484 p. :bdiagrams ;c22 cm.  aInclude index  aDatabases 958  2ddccBK  00102ddc4070aAEFbAEFd2019-02-14eGratiso001.641 JETp8778r2019-02-14w2019-02-14yBook