I'm actually reading Programming the Perl DBI Because I want to fill in the gaps in my DB knowledge. For example, I hadn't researched the TRACE capabilities of DBI. Much of the code I use, and some I have written, is littered with manual tracing that can be simplified by using built-in facilities.
On the other hand, P.t.P.D. has many outdated idiom, such as C-style loops. There are newer and cleaner ways to write code.
I would suggest:
- Read Programming the Perl DBI to get a thorough understanding of DBI.
- Read the modern DBI man page, to determine what has changed.
- Read Modern Perl and Effective Perl Programming to get modern idiom and new trends in good Perl style.
As Occam said: Entia non sunt multiplicanda praeter necessitatem.
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