MySQL

MySQL Trigger if then ElseIf else's useCREATE PROCEDURE DBName.Proc_getgrade(Stu_no varchar(20),Cour_no varchar(10)) BEGINDECLARE Stu_gradeFloat; SelectGradeIntoStu_gradeFromGradewhereStudent_no=Stu_noandCourse_no=Cour_no; IfStu_grade>=90 Then

Write the Excel VBA tool to connect and manipulate the MySQL database.System environment:Os:win7 64-bit English versionOffice 2010 32-bit English version1, VBA before the preparation of the connection to MySQLTools--->references. ---->

You is using update mode and you tried to update a table without a where is uses a key column to disable Safe modeYou are using update mode, and you are trying to update a table that does not have a key column disabled in Safe modeBecause of the

Transfer from http://blog.sina.com.cn/s/blog_6d39dc6f0100m7eo.html1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current datetime, MySQL has the following function:Current_timestamp ()

Environment:MySQL 5.6.21 64-bitCentOS 6.5 64-bitVMware 10Navicat for MySQL 111. Uninstall your own MySQL[Root@localhost ~]# yum remove MySQL mysql-server mysql-libsCheck if there is any residue[Root@localhost ~]# Rpm-qa | Grep-i MySQLIf found, use

MySQL has a lot of GUI tools, here are a few common tools, for reference only:1.Navicat for MySQL1.1. IntroductionNavicat for MySQL is a powerful MySQL database management and development tool. NAVICAT provides professional developers with a

--------------------------------------------------------------------------------1 System settings:1.1 Remote Desktop settings: Through window settingsSystem--preferences--Remote DesktopTICK: Allow other users to control your desktopCancellation: You

How to import and export with MySQL dumpCategory: Database 2009-12-08 00:04 6825 People read comments (0) favorite reports MySQL database deleteinsertinternetdatabaseMySQL Utility commandsWikipedia, the free encyclopediaA) connect to

Install lamp on Ubuntu Everyone should be familiar with, but for the current very popular lemp stack how to install with Apt-get, so the article is not much to introduce. Below I use Ubuntu 12.04 LTS As an example to explain how to apt-get install

1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current datetime, MySQL has the following function:Current_timestamp () Current_timestampLocalTime () localtimeLocaltimestamp ()

Read Catalogue Download MySQL free install version Configuring the MySQL Database MySQL Environment variables Installing the MySQL Database The company server is a Windows development connected database that uses "

Linux Operation phase IV (VII) MySQL REPLICATION (Master-slave replication, semi-synchronous replication, replication filtering)First, MySQL Replication Related concepts:1, the role of replication: to support the implementation of backup; ha,

Tested under MySQL 5.6.MyISAM Engine:When creating a data table, MySQL generates 3 files, respectively (table: Test):TEST.FRM, Test. MYD, Test. Myi file,TEST.FRM is the table structure, Test.myd is the file that holds the data, Test.myi is the file

Original link: http://www.jb51.net/article/47090.htm Today listen to colleagues about Oracle to MySQL data migration, he used insert into ... on duplicate key Update ..., I was thinking how not to replace it, so I came back to look carefully, they

The lottery program is widely used in real life, because there are many different lottery methods in different application scenarios. This article uses examples to explain how to use jQuery + PHP + Mysql to implement a simple Lucky Draw program

Mysql-cacti-templates-1.1.2.tar.gz free download cacti mysqlincrease monitoring, hadoop0.20.2.tar.gz Added monitoring for cacti MySQL1. Install the monitoring plug-inWget http://mysql-cacti-templates.googlecode.com/files/mysql-cacti-templates-1.1.2.

MySQL master-slave Copy Data Summary1. Replication Principle As shown in 1.png:     The first part of this process is that the master records binary logs. Before each Transaction Completes data update, the master will record these changes in the

Summary of uninstalling MySQL on Linux platform, mysql on linux platform In Linux, how does one uninstall the MySQL database? The following describes how to uninstall MySQL on Linux. There are three main ways to install MySQL: Binary Package

Recently, I decided to transfer the MT background data from the Berkeley file DB to MySQL. One of the reasons is that relational databases can provide more flexibility, such as running an SQL statement to change a certain attribute of all entries.

If all the updates are updated, refer to the following article,MySQL database versions are updated quickly, and new features are constantly updated. What's more, it solves many bugs that affect our applications. In order to make our MySQL better, we