mysql compare tables in different databases

MySQL upgrade is necessary. on PerconaSupport, we listed various questions about MySQL upgrade best practices. this article recommends some methods to upgrade MySQL under different circumstances. why is MySQL upgrade required? There are many reasons.

MySQL master-slave synchronization is a mature architecture with the following advantages: ① the query can be performed on the slave server (that is, the READ function we often call) to reduce the pressure on the master server; ② back up data from

Collation With the development of the Internet and the increasingly active movement of Free Software, more and more people begin to apply various databases to their own network applications. As a result, a variety of database systems appear on the

Original source: http://www.cnblogs.com/luckcs/articles/2543607.htmlMySQL Master-slave Replication (master-slave) and read-write separation (mysql-proxy) practicesAs the most widely used free database in the world, MySQL believes that all engineers

Http://heylinux.com/archives/1004.htmlAs the most widely used free database in the world, MySQL believes that all engineers engaged in system operations must have contacted. However, in the actual production environment, the single MySQL as a

The following articles mainly describe the creation and deletion of MySQL databases, as well as the detailed parsing of indexes and changing actual table statements. If you are also popular with MySQL databases, you can click the following article

Mysql CLUSTER: MYSQL cluster  1. References Http://xuwensong.elastos.org/2014/01/13/ubuntu-%E4%B8%8Bmysql-cluster%E5% AE %89%E8%A3%85%E5%92%8C%E9%85%8D%E7%BD% AE/2. Introduction MySQL-Cluster is a technology that allows you to deploy "in memory"

Set Change root passwordNote: How to change the root password, about the root user is the MySQL Super administrator user, it is similar to the root user inside the Linux operating system, to distinguish between the root of MySQL and the system root

Transfer from: http://www.cnblogs.com/chenmh/p/5300370.html introductionIn daily maintenance work often need to export the data, and mysqldump is to export the data process is a very frequent use of a tool, it comes with a lot of function parameters,

18.2.1 MySQL server has gone away errors related to Lost connection to server during query. The most common cause of the MySQL server has gone away error is that the server times out and closes the connection. By default, if nothing happens, the