This fourth part of the book provides quick references to various aspects of the Perl language. It is designed to supply additional background information for those new to Perl. It consists of the following appendixes:
Appendix A summarizes basic Perl syntax, including object-oriented features.
Appendix B presents the main Perl DBI application programming interface (API) functions.
Appendix C describes the basics of regular expressions (regexes), patterns of literals and meta- characters used extensively by Perl for pattern matching.
Appendix D summarizes the Perl data- munging modules that are helpful in formatting and transforming data for data warehouses and other such Oracle applications; it includes sections on numeric, date, conversion, and XML modules.
