If you work with large amounts of business data and need to create reports, then you need to know how to use SQL. This comprehensive online course will use SQL to write queries against Crystal Reports ...
I could not find the PL/SQL tutorial in this portal as its compiler is present. If a new tutorial could be arranged, then it would be pretty helpful.
A PL/SQL PDF report generator providing some of the column, column break and header capabilities of sqlplus reports. Built on as_pdf3 from Anton Scheffer (included).