TY  - BOOK
AU  - Date,C.J.
AU  - Swamynathan,S
TI  -  An Introduction to Database Systems
SN  - 9788177585568
AV  - QA76.9.D3 
PY  - 2006///
CY  - Boston
PB  - Pearson
KW  - Database management
KW  - Software engineering
N1  - Includes bibliographical references and index
UR  - https://books.google.com.pk/books/about/An_Introduction_to_Database_Systems.html?id=2xBRAAAAMAAJ&source=kp_book_description&redir_esc=y
ER  -