Oracle ebooks

http://www.db.cs.ucdavis.edu/teaching/sqltutorial/

for download pdf SQL tables, queries, PL/SQL


http://www.dbbm.fiocruz.br/class/Lecture/d17/sql/jhoffman/sqltut.html

Basics of the SELECT Statement , Joins , Aggregate Functions , Views ,Creating New Tables ........... with examples


http://cisnet.baruch.cuny.edu/holowczak/oracle/sqlplus/

Oracle products , SQL *plus basics , DDL , DML , Tree queries , stored procedures , triggers. with examples