sql if

Discover sql if, include the articles, news, trends, analysis and practical advice about sql if on alibabacloud.com

Can a session on the server be deleted through sessionid in PHP?

Can a session on the server be deleted through sessionid in PHP? I want to implement the function of kicking out members, but how can I do it in PHP? my idea is to record the session id of each member login, this ID is used to delete the session on

Peng Heping garbage collection mechanism

Peng Heping's garbage collection mechanism has a function: After deleting some content, you can restore the original content. What is the principle? Can you store the items you want to delete in another table. Then, if you want to restore it, update

Using pdo_php Tutorial in PHP

About PDO PDO is a "database access abstraction Layer" that unifies various databases (MySQL, MSSQL, Oracle, DB2, PostgreSQL ...). ), it is easy to switch between different databases, which makes porting between databases easy to implement. PDO

How to connect the SAE database solution

How to connect the SAE database Ask: Or the last time to dismantle the framework, the need to connect to the SAE database, really did not set up a database. Kuanghan. SAE has given this sae.class.php class, the swelling is used?............... Is

JSP case analysis (I)-Online Voting System-4-code analysis

The original source code does not have a myeclipse project, the database uses sqlserver2000, and the server uses tomcat. I put all the code in myeclipse10, deployed to Apache-Tomcat-6.0.35, the database uses sqlserver2008, found that the original

PHP tool-type MySQL add, delete, modify, and query tool-type mysql

PHP tool-type MySQL add, delete, modify, and query tool-type mysql ? Php header ("content-type: text/html; charset = UTF-8 "); class DBUtils {/*** General update method insert update delete operation * @ param SQL * @ return bool true false */public

Database-based statistics on online users and daily visits

Online User count statistics, daily traffic statistics, and monthly traffic statistics are available ..... $ SQL = "CREATE TABLE guestinfo (ID integer default '0' not null auto_increment,IPaddress varchar (20 ),Host varchar (20 ),Cometime

[Explain] php development in Multi-memcached and MySQL master-slave environments: Code details

From: http://www.pccode.net/info/2010/02/09/20100209-1556.html The general practice of a large station is to use memory as a database (memcached), and a good backup mechanism for read/write splitting (MySQL Master/Slave)In this environment, how

JDBC addition, deletion, modification, and query

  Add statement: Statement ST = conn. createstatement (); String SQL = "insert into user (....) Values (.....) "; IntNum = st.exe cuteupdate (SQL ); If(Num> 0 ){ System.Out. Println ("inserted successfully !!! "); } Delete statement: Statement ST =

Publish an asp adodb code

I have used this for many websites and I think it is quite useful. So I will share it with you. Three database connections are supported: MSSQL2000, MSSQL2005, and ACCESS Three methods: Select_table (SQL) Returns TRUE or FALSE for table

How to restrict visitors' ip addresses (PHPBB code)

How to restrict visitors' ip addresses (PHPBB code) Code: /*************************************** ************************************* Admin_user_ban.php*-------------------* Begin: Tuesday, Jul 31,200 1* Copyright: (C) 2001 The phpBB Group* Email:

Differences between rs.openand conn.exe cute in ASP

Rs. open SQL, conn: If the SQL statement is delete, update, or insert, a closed record set is returned. Do not set an rs during use. close and write rs at the end of the file. close Multiple Record Sets rs1.open sql1 And conn can be used in the

Replace php session classes with mysql memory tables

Copy codeThe Code is as follows: /** @ Usage: use some other storage method (mysql or memcache) instead of php sessoin @ Author: lein @ Version: 1.0 */ Session_start (); If (! Isset ($ _ SESSION ['test']) { $ _ SESSION ['test'] = "123_lein _". date (

Database-based statistics on online users and daily visits

Online user count statistics, daily traffic statistics, and monthly traffic statistics can be achieved .....? $ SqlCREATETABLEguestinfo (region, ipaddressvarchar (20), hostvarchar (20), cometimedatetime, refreshtimedatetime, leavetimedatetime, and

Phpmemcachedmysql detailed instance development _ PHP Tutorial

A detailed example of phpmemcachedmysql development. Php Tutorial memcachedmysql tutorial development detailed instance Memcached working method in the following section, the reader is better to prepare a memcached source code. Memcached is a

Phpmysql data import and export, data table structure import and export _ PHP Tutorial

Phpmysql data import and export, data table structure import and export. To import and export data, *********************************** * ******************* contains the Mysql database operation file require_once (Mysql implements data import and

Phpmysql database backup and data restoration class _ PHP Tutorial

Phpmysql database backup and data restoration class. Note: This class applies to database backup for small websites and built-in MYSQL connections. you only need to configure the data connection and storage backup location. * Description of

Mysql connection and basic operation code in php (quick test and use, simple and convenient) _ php instance

This article mainly introduces the mysql connection and basic operation code in php, which is used for quick testing. it is simple and convenient. it is required for beginners of PHP, you can refer to the occasional use of php to perform some mysql

Self-written mysql class

---------- Phpdebug ---------- Serverlocalhost; DataBasemysql; UserIDroot; PassWord123456resource (5) oftype (mysqlresult) Outputcompleted (1 secconsumed)-NormalTermination ---------- Php debug ----------Server = localhost; DataBase = mysql; UserID =

Common Code Collection for PHP5 And MySQL database operations

Php is popular recently, so more and more friends are learning php. here we will sort out some database operations. For more information, see. 1. create a database table: The code is as follows: Create database club;Create table member (Id int (11

Total Pages: 15 1 .... 11 12 13 14 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.