PL/SQL User's Guide and Reference
What's New in This Edition?
Release 2.3 of PL/SQL offers an array of new features to help you build better database applications. For example, now you can benefit from
- PL/SQL table improvements such as PL/SQL table attributes and support for PL/SQL tables of records
- cursor variable improvements such as weak REF CURSOR types and support for cursor attributes
- a new fast-integer datatype
- full support for subqueries
- a new remote dependency mode
For more information, see Appendix A.