Books on Oracle

oracle 9i dba fundamental1
http://www.esnips.com/doc/84f85f55-0f0d-49e4-9eea-2f84241c9a70/Oracle-9i-Fundamentals-I

oracle 9i dba fundamental 2
http://www.esnips.com/doc/da8a4241-c39d-4e97-956c-3d4da843ca11/Oracle-9i-Fundamentals-II

oracle sql
http://www.esnips.com/doc/770497fe-5158-422f-a801-a6fe6c2dd64d/Oracle-RDBMS--SQL-Tutorial-(Very-good)

oracle pl/sql
http://www.esnips.com/doc/f9f628fd-8c1d-40a5-9b5f-cdb1c1a2467d/Oracle-9i---Introduction-to-oracle-9i-PL-SQL---Part-1
http://www.esnips.com/doc/f69ad628-85dc-4c90-9242-ea5dff7cc026/Oracle-9i---Introduction-to-oracle-9i-PL-SQL---Part-2
http://www.esnips.com/doc/d268649f-4bb7-4d2a-8fe8-b8016a233da0/Oracle-9i---Introduction-to-oracle-9i-PL-SQL---Part-3

oracle9i sql
http://www.esnips.com/doc/fdcd6521-7fa3-49f4-ba29-62a4d23e0928/Oracle-9i-Introduction-To-SQL-Part-I
http://www.esnips.com/doc/5f9a7fb5-8d78-4d0a-ac3a-195425bb88a4/Oracle-9i-Introduction-To-SQL-Part-II
http://www.esnips.com/doc/5f35561d-c985-4719-b4c1-c8739cd38afd/Oracle-9i-Advanced-SQL-vol2

oracle 9i performance tuning
http://www.esnips.com/doc/34b4f388-9f5c-48a8-8365-bebc0954819c/Oracle-9i-Performance-and-Tuning-Volume-1
http://www.esnips.com/doc/7c073f29-0263-48f3-b8b0-22d3385659d2/Oracle-9i-Performance-and-Tuning-Volume-2