Tutorials by tizag.com
This lesson will teach you how to do a specialized join: left join.
February 22,
2008
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In this lesson you will learn how to replace the existing data of a MySQL table with freshly supplied up-to-date data using the UPDATE MySQL query.
February 19,
2008
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Maintenance is a very common task that is necessary for keeping MySQL tables current. From time to time, you may even need to delete items from your database.
February 15,
2008
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Throughout your PHP career you will be using strings a great deal, so it is important to have a basic understanding of PHP strings.
February 13,
2008
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You may or may not know that MySQL databases are just files that are stored on your web server. This fact makes the whole backup and restore process extremely simple and painless once you have figured out how to do it.
February 11,
2008
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The most common types of aggregate functions let you find out things like the minimum, maximum and even the average of a "grouped" set of data. The trick to understanding aggregate functions is often understanding what kind of data is being grouped and analyzed.
February 7,
2008
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This lesson will teach you how to use the aggregate function COUNT().
February 4,
2008
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his lesson will teach you how to use the aggregate function SUM().
February 1,
2008
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As you saw in the previous lesson, the PHP function echo is a means of outputting text to the web browser. Throughout your PHP career you will be using the echo function more than any other. So let's give it a solid perusal!
January 30,
2008
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This lesson will teach you how to use the aggregate function AVG().
January 25,
2008
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