TY  - BOOK
AU  - Ullman, Jeffrey D.,
AU  - Widom, Jennifer.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 138613370
SN  - 2
PY  - 1997///];copyright 199746
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Database management
N1  - An Alan R. Apt book; Includes bibliographical references and index; 5
ER  -