Stanczyk, Stefan . Theory and practice of relational databases / Stefan Stanczyk, Bab Champion and Richard Leyton. - 2nd ed / . - London : Taylor and Francis , 2001. - x,253p. : ill.,figs. ; 22cm . Includes index ISBN: 0415247020 NULL Subjects--Index Terms: RELATIONAL DATABASES Dewey Class. No.: 005.756 / STA/T