TY  - BOOK
AU  - Vang,Søren
TI  - SQL and relational databases 
U1  - 005.7565 
PY  - 1991///
CY  - New Delhi.
PB  - Galgotia Publications
KW  - SQL (Computer program language)
KW  - Relational databases
N1  - Translation of: Relationsdatabaser og SQL
ER  -