When speaking about placeholders, you may want to look at Tricks with DBI. I liked it and learned a lot. Also, you may want to look at discussion about Learning CGI & DBI well - if this is what you want to learn well... ;-)
And yes, INDEX is a way how to increase speed of data access in database - for the price: you have some speed penalty to maintan it when updating indexed fields. This is interesting, but OT here.
pmas
To make errors is human. But to make million errors per second, you need a computer.
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Are you posting in the right place? Check out Where do I post X? to know for sure.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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