MySQL

The MySQL client is primarily used to pass SQL queries to the server and displays the results after execution. It can run on the same machine as the server, or on two machines on the network. When you connect to a MySQL server, your identity is

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Previously in Linux with MySQL, installation is also very simple, today to try Windows installation, found that there is really a pit. Fortunately, the installation process to record. 1. First we have to go to the MySQL website to download the

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Problem analysis In the Shutdown database command found that MySQL can not be closed, the hint Warning: World-writable config file '/etc/my.cnf' is ignored , probably means that the permissions of the global writable, any user could write. MySQL

Yesterday after the completion of the database cross permission operation, today opened the project suddenly error, and then restart the database, reported error! MySQL server PID file could not is found!, the command line linked to the database

Backing up frequently can help prevent the loss of valuable data, and another reason is that you might want to export the data to share. In this growing world of information technology, shared data is becoming more common.For example, Macmillan USA

This example for you to share the CentOS 7.2 Yum installation mysql5.6 method, for your reference, the specific contents are as follows Configure CentOS Sclo Source [3] Add CentOS Sclo Software collections Repository. [root@linuxprobe~]#

Introduced The column partition is the partitioning feature introduced in 5.5, with only the range column and the list column, which support reshaping, dates, strings, and range and list partitioning in a very similar way. Differences between

MySQL Error code list: 1005: Failed to create table 1006: Failed to create database 1007: Database already exists, failed to create database 1008: Database does not exist, delete database failed 1009: Unable to delete database file causes

As of 2016/10/16 the latest version of MySQL is 5.7.16, before writing an article APMW built (Portal: http://www.cnblogs.com/airoot/p/4131906.html) The installation of the MySQL method section is not suitable for the new version. So I reopened the

By default, PHP sessions (session) are saved by a file. There are several disadvantages to doing this: Session files are generally small, but there are a lot of files, and saving many of these small files in a file system is a waste of space and

Recently in making Excel file import data to database. Web site if you want to support the bulk insert data, you can make a upload Excel file, import the contents of the data to the MySQL database applet. Tools to use: thinkphp: Lightweight

MySQL installation can have MSI installation and zip decompression two kinds of installation methods. The ZIP compression package is extracted to the directory, and it needs to be configured to use it. The following is the MySQL compression package

Gtid Introduction What is Gtid The Gtid (Global Transaction ID) is the number for a committed transaction and is a globally unique number. Gtid is actually made up of Uuid+tid. Where the UUID is the unique identifier of a MySQL instance. TID

MySQL 5.7 has been greatly improved in many ways, mainly in terms of security, flexibility, ease of use, availability, and performance. Below we through an illustrated way to introduce the Mysql5.7 database download installation detailed tutorial,

Authorization: All permissions, can also grant partial permissions,% wildcard, representing allMysql> Grant all on discuz.* to ' rachy ' @ ' percent ' identified by ' 123456 ';Query OK, 0 rows affected (0.01 sec)Refresh permissions to make it

Refer to http://www.jb51.net/article/50047.htm "MySQL row level lock, table level lock, page level lock Details"Page level: Engine BDB.Table level: Engine MyISAM, understood to lock the entire table, can read at the same time, write NoRow level:

Mysql explain usage (use explain to optimize the query statement), mysqlexplain First, I will give a simple example and then explain the information in the explain column. Table 1: catefory document category table: Create table if not exists

The latest PHP 5.0 MYSQL 5.0 WIN2003.I personally think it is necessary to write a tutorial because many aspects are different from those of the old version.To be honest, I also read many official documents to solve many strange problems.============