TY  - BOOK
AU  - Date,C J.
TI  - Database in depth: relational theory for practitioners 
SN  - 8173667802
U1  - 005.74 1
PY  - 2005///
CY  - Mumbai
PB  - Shroff publishers and distributors pvt ltd
KW  - Relations versus types
KW  - Tuples and relations
KW  - Relation variables
KW  - Database design theory
ER  -