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224 Understanding Web Applications
If you plan to build small low-cost applications, you can use a file-based
database, such as one created in Microsoft Access. If you plan to build
robust, business-critical applications, you can use a server-based database,
such as one created in Microsoft SQL Server, Oracle 9i, or MySQL.
If your database is located on a system other than your web server, make
sure you have a fast connection between the two systems so that your web
application can operate quickly and efficiently.
Authoring dynamic pages
Authoring a dynamic page consists of writing the HTML first, and then
adding the server-side scripts or tags to the HTML to make the page
dynamic. When you view the resulting code, the language appears
embedded in the page's HTML. Accordingly, these languages are known as
HTML embedded programming languages. The following basic example
uses ColdFusion Markup Language (CFML):
<html>
<head>
<title>Trio Motors Information Page</title>
</head>
<body>
<h1>About Trio Motors</h1>
<p>Trio Motors is a leading automobile manufacturer.</p>
<!--- embedded instructions start here --->
<cfset department="Sales">
<cfoutput>
<p>Be sure to visit our #department# page.</p>
</cfoutput>
<!--- embedded instructions end here --->
</body>
</html>
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