OCA study material:

OCA study material:
http://www.newagetraining.com/lessons/nat_lesson_sql_01.htm
PL/SQL tutorial
http://www.rocket99.com/oracle/ Oracle 101 guide.
http://www.ucertify.com Use the menu across the top for free OCP study guides
http://www.oracle.com/education/oln/index.html?login_ou_online_home.html Create a free user account and check out the online library
.http://www.oreilly.com/catalog/oressentials2/chapter/ch01.html Chapter1 of O'Reilly's Oracle Essentials
http://www-db.stanford.edu/~ullman/fcdb.html Some basic Oracle guides
http://www-db.stanford.edu/~ullman/fcdb/oracle.html Some older Oracle stuff
http://www.veritas.com/offer?a_id=3338 Free e-book on Oracle performance tuning - need to register
http://www.dbasupport.com/oracle/ora9i/ Many 9i articles
http://web.archive.org/web/20011218000629/http://www.arsdigita.com/books/sql/ SQL for web nerds
http://d0db.fnal.gov/d0db/oracle8tutorial/ Oracle 8 tutorial
http://members.aol.com/_ht_a/tucano32/oracle/tutorial.htm Introduction to Oracle PL/SQL
http://www.oriolecorp.com/firststeps.html First steps with Oracle
http://www.dougwentz.com/IntroToOracle9iSQL.html Introduction to Oracle 9i SQL
http://djm.at/jobs/(ebook%20pdf)%20Teach%20Yourself%20SQL%20in%2021%20Days%20(1).pdf Teach yourself SQL in 21 days (2MB pdf)
http://www.csee.umbc.edu/help/oracle8/ Oracle 8 Documentation
http://djm.at/jobs/Oracle%209i%20Database%20Administrator's%20Guide.pdf Oracle 9i Database Administrators Guide (6MB pdf)