TY  - BOOK
AU  - Stephens, Ryan K.
AU  - Plew, Ronald R
TI  - Sams teach yourself SQL in 21 days= Teach yourself SQL in 21 days
SN  - 8129700719
U1  - 005.133 
PY  - 2003///
CY  - Delhi
PB  - Pearson Education
KW  - SQL (Computer program language)
KW  - Teach yourself SQL in 21 days
ER  -