Where We Stand
By now you've learned how to construct a basic SQL statement,
pass it to your database with Perl, and receive the results.
That's 90% of the ballgame. As we've noted several times,
this article has focused on Microsoft Access, and
there are a few -- very few -- different twists in using
these techniques in a Unix environment. Next month we'll look
at the popular Unix-friendly
MySQL
database.
You may have noticed that our examples have so far been
oriented solely towards reading data from a database.
This is probably the goal of most readers and is certainly
the easiest and safest interaction. Sometimes, though,
you might wish to use Perl to write data to a database,
either adding new records or updating existing ones. Here
things become slightly tricker, as we must be concerned with
safety -- both security and data integrity -- a topic
we'll focus on later in this series on using Perl with
databases.
Resources
James Hoffman's Introduction to Structured Query Language
SQL Reference Page
DBI Module Documentation
DBI Frequently Asked Questions
Selena Sol's Introduction to Databases on the Web
Ask the SQL Server Pro
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