Lacy-Thomson, Tany
INFORMIX-SQL : a tutorial and reference / Tony Lacy-Thompson
Prentice-Hall, 1991
Buku Referensi
Davidson, Louis
Pro SQL server 2012 relational database design and implementation
Springer, 2012
eBooks
Whitehorn, Mark
Seluk beluk database relasional=Inside relational databases
Erlangga, 2003
Buku Teks
Owens, Kevin T.
Building intelligent databases with oracle PL/SQL, triggers, and stored procedures
Prentice-Hall, 1998
Buku Teks
Mishra, Sanjay
Mastering Oracle SQL
O'Reilly, 2004
Buku Teks