Sql Functions Tutorial

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This chapter explains the SELECT and select * Statements and the Select DISTINCT statements. This chapter explains the SELECT and select * Statements. The SQL SELECT statement SELECT statement is used to select data from a table. The result is stored in a result table (called a result set). SQL SELECT syntax Select column name from table name and: SELECT * FROM table name Comment: SQL statement for case ...

Query SQL statement with date addition this is an SQL statement that adds the dates of the MSSQL access, which provides a large number of functions for the database tutorial date operation, and today we add the date by using the DateAdd function. *//method One stored procedure set NOCOUNT on DECLARE @kp table ([id] int,[ys] int,[syrq] datetime) Insert @kp Select 1, 2, ' 2 ...

method to filter HTML custom functions function Ihtmlspecialchars ($string) {if (Is_array ($string)) {foreach ($string as $key => $val) {$string [$key] = Ihtmlspecialchars ($val); } else {$string = Preg_replace (' ...)

We provide three functions not to filter some special characters, the main is to use sql sql-sensitive string to filter out, and the following Let's look at this code. A friend in need take a look. function phps tutorial ql_show ($ str) {$ str = stripslashes ($ str); $ str = str_replace ("& # 92;", "", $ ...

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PHP Tutorials for $_post,$_get filter single quotes and double quotes security functions function _strips Tutorial Lashes ($string) {if (Is_array ($string)) {foreach ($string as $key = > $val) {$string [$key] = _strips Tutorial Lashes ($val) &n ...

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In this lesson, we want to learn how to increase the intelligent processing capacity of the Web page. Basic functions Welcome to the third and final lesson of this tutorial. If you've learned the first and second lessons, you've mastered the basics of installing and programming MySQL and PHP. Here are some of the other functions of PHP that might be useful to you and make your development process simpler. 　　First, let's look at the document. You should know some basic concepts of the header file, right? The header file is an external file whose contents are included in the main program. ...