Tutorials by tizag.com
As we have mentioned before, when you open a file for writing with the paramater 'w' it completely wipes all data from that file. This action is also referred to as "truncating" a file. Truncate literally means to shorten.
January 28,
2010
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If you want to append to a file, that is, add on to the existing data, then you need to open the file in append mode.
January 27,
2010
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In this lesson we will teach you how to read data from a file using various PHP functions.
January 27,
2010
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Queries are the backbone of SQL. Query is a loose term that refers to a widely available set of SQL commands called clauses.
January 26,
2010
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Entire rows can be deleted from a table using the delete clause.
January 26,
2010
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You know how to create a file. You know how to open a file in an assortment of different ways. You even know how to read and write data from a file!
January 8,
2010
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The str_replace function is similar to a word processor's "Replace All" command that lets you specify a word and what to replace it with, then replaces every occurrence of that word in the document.
January 7,
2010
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Distinct is used to retrieve rows of your database that have unique values for a given column.
January 7,
2010
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The great thing about everything you do in MySQL is that the "code" is very easy for humans to read, as opposed to harder programming languages like C or C++. Very few special characters and symbols are required to create a MySQL query, and most queries consist entirely of English words!
January 6,
2010
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Predicates follow the where clause. Predicates allow the searching through database records to recover specific strings and ranges or characters. Rows will be returned if they match the predicate condition.
January 5,
2010
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