MySQL

Lin Bingwen Evankaka Original works. Reprint please specify the source Http://blog.csdn.net/evankakaThis article explains in detail the use of the ALTER command in MySQL syntax, which is a much more useful syntax, and the functionality is very

The Alter ADD command is used to increase the table's fields. alter ADD command format: ALTER TABLE name add field type other;For example, a field passtest is added to table MyClass, the type is int (4), and the default value is 0:mysql> ALTER TABLE

Under Windows configuration, the following will be configured under Linux to test, you need to configure the MySQL database synchronization of Friends can refer to.1. On the primary database server, add a user with permission to access the main

Transferred from: http://blog.csdn.net/phpwish/article/details/7845921Look at the database structure design of the project today and find a strange place.' Xxx_detail ' delflag ' int (1) not NULL DEFAULT ' 0 ' COMMENT ' Remove flag ',' Xxx_category '

I use the environment Win7. began to learn PHP and MySQL, and bought this "head first PHP & MySQL", from the head of the website to get the headfirst series of books related information and source code. 1. Download XAMPP Development Packagefrom

Directory One, get the total number of processes under MySQL user Second, host performance status Third, CPU utilization Four, disk IO volume Five, swap volume [memory] VI, Database performance status Seven, QueryLog

Now, we introduce the database index, its advantages and disadvantages. The characteristics and application of MySQL index are described in detail. This paper analyzes how to avoid MySQL unusable, how to use explain to analyze query statements, and

Connector/net 6.9.8Select. Net/mono, no installation required.Copy the corresponding version of MySql.Data.dll to the bin directory for usehttp://dev.mysql.com/downloads/connector/net/However, when using the MySQL like statement to retrieve Chinese,

MySQL has three ways of changing the root password:1.mysqladmin-uroot-p Password "12"This will change the root password to 12, and note that the new password is enclosed in double quotes.2.root log in to MySQL server and update the user table in

First, design and planning1. The first step in planning a benchmark is to ask questions, clear the document, and then decide whether to use standard benchmarks or design specific tests.2. Even if you do not need to create a dedicated benchmark test,

By setting the relationship between tables in DbContext , the query is passed through item in View . Projectoverhour to display the associated table data. Modelbuilder.entity() = e.dailyreports) and E.

Why do I want to migrateMySQL migration is a task in the daily maintenance of DBAs. The original meaning of the migration is to remove the actual objects and ensure the integrity and continuity of the object . Like the soft sand, two innocent

"Requirements description"In the CentOS environment, the MySQL5.5.32 database of "single instance" is installed and configured by compiling the source code.The installation directory for MySQL is:/application/mysql-5.5.32The installation directory

Or install mysql-connector-odbc-5.3.2 on the virtual machine Windows Server 2003, the outfit is the error, roughly "1918 ... Cannot load installation or converter library ... ", ask me Retry,ignore or abort. Retry is not through, ignore on the bad,

Development tools VS2010 SSDTIn recent projects, it is necessary to integrate the MS SQL Server database with the MySQL database for data interaction, and the installation of the MySQL ODBC Connector plugin during the development of the SSIS package

MySQL implements a batch checklist and repair and optimize, rechecking roptimize This example describes how to implement a batch checklist and repair and optimize in MySQL. We will share this with you for your reference. The details are as follows:

MySql error code 1045 solution, mysql error code 1045ErrorCode1045Access denied for user 'root' @ 'localhost' (using password: YES)The solution is to reset the root user password. on the Windows platform, perform the following steps: 1. log on to

An advanced tutorial on MySQL left join table JOIN, Left join primary table The primary table here refers to the table in which MySQL queries in the connection query. For example, in the left join query, the LEFT table is generally the primary table,

A basic tutorial on MySQL slow query log analysis, 0. First, check whether slow query is Enabled: (1) quick way to run SQL statements show VARIABLES like "%slow%" (2) go to my. conf to view the information. Configuration in my. conf (add it below

Share Mysql commands, 1. Connect to Mysql Format: mysql-h host address-u user name-p User Password 1. Connect to MYSQL on the local machine. First, open the DOS window, enter the mysql \ bin directory, type the mysql-u root-p command, and press