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A summary table that lists and briefly describes SQL*Plus commands precedes the individual command descriptions.

You do not need to end a SQL*Plus command with a semicolon.When you finish entering the command, you can just press [Return].If you wish, however, you can enter a semicolon at the end of a SQL*Plus command. This command is similar to the @ ("at" sign) command.It is useful for running nested scripts because it looks for the specified script in the same path as the script from which it was called.tag: content 80% of the end-user response time is spent on the front-end.

Most of this time is tied up in downloading all the components in the page: images, stylesheets, scripts, Flash, etc.

Reducing the number of components in turn reduces the number of HTTP requests required to render the page. One way to reduce the number of components in the page is to simplify the page's design.

But is there a way to build pages with richer content while also achieving fast response times?

Here are some techniques for reducing the number of HTTP requests, while still supporting rich page designs.

Combined files are a way to reduce the number of HTTP requests by combining all scripts into a single script, and similarly combining all CSS into a single stylesheet.

Combining files is more challenging when the scripts and stylesheets vary from page to page, but making this part of your release process improves response times.