sql if

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PHP implements atomic operations that contain REDIS commands

Being a reptile, part of it is comment data. Because there are too many comments, you want to make a list of the reviews that you crawled down. The current thinking is: Each table holds 1 million data (1-1000000 saved in table1,1000001-2000000 saved

Pdo and mysql problems,

For more information about pdo and mysql, how can this problem be solved? The program is normal in the window, but in linux, register: publicfunctionInsert ($ input) {$ timetime (); $ SQL & quot; INSERTINTO & quot ;. _ DB_PREFIX __. & quot; member

Access classes for Postgresql db

The code is not intended to be used directly, just to provide a clue. Various features of PG, including not limited to tree subquery, prepared statements, batch insert support: The code has been revised and finalized for quite a long time, and will

Sample Code for connecting multiple mysql Databases in PHP at the same time

Instance:Copy codeThe Code is as follows:$ Conn1 = mysql_connect ("127.0.0.1", "root", "root", "db1 ");Mysql_select_db ("db1", $ conn1 );$ Conn2 = mysql_connect ("127.0.0.1", "root", "root", "db2 ");Mysql_select_db ("db2", $ conn2 );$ SQL = "select *

Registration Verification failed-php Tutorial

Registration Verification failed Query ($ SQL); if ($ result & $ row = $ result-> fetch_assoc () {if ($ name = $ row ["name"]) {echo 'script '; echo "alert ('User already exists');"; echo "too many locationparameters 'enroll.html '"; echo "script";

ASP access and MS SQL2000 2005 shared Database Operations class

'====================================' H----------Access and SQL Common database action classes, all SQL statements are SQL'====================================Class DbclassPublic ConnPrivate ConnStrPrivate ErrorInfo ' Initialize classPublic Sub

PHP implementation MySQL database backup and restore class instance _php skill

The example of this article describes the PHP implementation of MySQL database backup and restore classes. Share to everyone for your reference. The specific analysis is as follows: This is a very simple use of PHP to back up the MySQL database of

PHP implementation database export or export into SQL file code

PHP Implementation database backup exported to SQL 1. First you have to get the tables in the database, the function mysql_list_tables (), and then you can save all the table names you get to an array. 2. Show create table name can get table

JSP realizes shopping program _jsp programming

Here are my JSP and database to do the shopping cart source program: Attention: 1, the recosting part has not been done, everyone to do it yourself! 2, the next version will be done with session. shop_cart.jsp String Product_type; String

_php Skills of database operation class in Phpwind

/* Source: phpwind.net*/ Class DB { var $query _num = 0; function DB ($dbhost, $dbuser, $DBPW, $dbname, $pconnect = 0) { $this->connect ($dbhost, $dbuser, $DBPW, $dbname, $pconnect); } Function Connect ($dbhost, $dbuser, $DBPW, $dbname, $pconnect =

PHP simultaneously connects multiple MySQL Database sample code _php tips

Instance: Copy Code code as follows: $conn 1 = mysql_connect ("127.0.0.1", "root", "root", "db1"); mysql_select_db ("DB1", $conn 1); $conn 2 = mysql_connect ("127.0.0.1", "root", "root", "DB2"); mysql_select_db ("DB2", $conn 2);

how PHP imports. sql files

Let's look at how PHP imports the. sql file code if (!defined (' WEBROOT ')) {Die (' Access denied! ');}Class Dbsql {var $dblink = NULL;var $queryCount = 0;function Dbconnect ($dbserver, $dbuser, $dbpwd, $dbname = ', $pconnect = 0, $charset = ' utf8

ASP Program Performance test report

Program | Performance outline: ASP dynamically generated content in what way to output the highest efficiency? What is the best way to extract a database recordset? This article tests common problems with nearly 20 such ASP developments, and the

How to use ASP to establish voting mechanism on your own website (ii.)

Batman Translation Finishing 4. Document Default.asp id = Request ("id") If ID = "" Then ID = 30 End If Title = "Polls (Create your own poll)" %> asp polls another Joint product from tipped Cow development and adrenalin

SqlHelper class (By_ Hanshunping)

Package com.xlc.utils;Import Java.io.FileInputStream;Import java.io.IOException;Import Java.io.InputStream;Import java.sql.Connection;Import Java.sql.DriverManager;Import Java.sql.ResultSet;Import java.sql.SQLException;Import

JDBC Code base-sqlhelper

Package com.hsp.utils;Import Java.io.FileInputStream;Import java.io.IOException;Import Java.io.InputStream;Import java.sql.Connection;Import Java.sql.DriverManager;Import Java.sql.ResultSet;Import java.sql.SQLException;Import

PHP Operation SQLite

Connecting to a databaseThe following PHP code shows how to connect to an existing database. If the database does not exist, it will be created and a database object will be returned.PHPclassMyDBextendsSQLite3 {function__construct () {$this->open ('

PHP Backup Database principles and methods 57

1, the principle of PHP backup DatabaseFind all tables-Find all fields (need to list all field names, field types and other related letters)---Find all the data (read the data to note the conversion of special symbols addslashes())--Generate SQL

A simple DAO class based on PHP and MySQL implements the CRUD operations _php instance

Copy Code code as follows: Require_once (' firephpcore/firephp.class.php '); $firephp = Firephp::getinstance (true); Debugger in Firefox Class Simpledao { Private $_table = null; private static $_con = null; Public Function Simpledao ()

PHP mysqli Mode Connection class

Share a PHP mysqli connection class complete code instance, about MYSQLI usage instance.A database class instance that joins the database in PHP in Mysqli way, the database class is organized from a PHP cms, can implement PHP connection database

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