www.developer.com/lang/article.php/2184681
April 10, 2003 Endnotes1. Few methods actually need to be implemented since the DBI provides suitable defaults for most of them. The 2. In reality, the number of concurrent statement handles is dependent on the underlying database. For information on how many concurrent statement handles your database can support, see Appendix B. 3. The actual definition of "installed driver" is a little loose. The DBI simply searches the directories in 4. Note that not necessarily every data source that is reachable via the driver is returned. Similarly, the inclusion of a data source does not imply that it is actually currently available for connection. 5. An excellent example of an application that figures out data source names at runtime is 6. In general, this is true. However, some database systems, such as MySQL, support different users but only one schema. 7. Actually, the error message will be displayed twice for reasons that will be explained in the "Error Handling" section later in this chapter. 8. The exact behavior when both attributes are set may change in future versions. This is something to consider if the code is inside an 9. If the Perl you are using was built with threading enabled, then each method entry line also shows the thread number, e.g., 10. Note that internal quotes are not escaped. That's because 11. 400 characters is the default value for the About the AuthorsAlligator Descartes has been an itinerant fiddler with computers from a very early age, which was ruined only by obtaining a BSc in computer science from the University of Strathclyde, Glasgow. His computing credits include several years of Oracle DBA work, multi-user Virtual Reality servers, high-performance 3D graphics programming, and several Perl modules. He spends his spare time trudging around Scotland looking for stone circles and Pictish symbol stones to photograph. Alligator Descartes is not his real name. Tim Bunce has been a perl5 porter since 1994, contributing to the development of the Perl language and many of its core modules. He is the author and maintainer of the DBI, DBD::Oracle,and Oracle::OCI modules, and author and co-maintainer of The Perl Module List. Tim is the founder and CTO of Data-Plan Services, a perl, database, and performance consultancy with an international client base. Prior to that we was Technical Director (CTO) of IG in the UK where he was awarded by British Telecom for his role in the rapid development of their Call Management Information service, a system implemented in Perl. He is co-author, along with Alligator Descartes, of Programming the Perl DBI, the definitive book on DBI, published by O'Reilly & Associates in February 2000. Source of this material
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