mysql show current queries

The following articles mainly introduce three very useful methods to optimize MySQL database queries. We all know that in MySQL database query optimization queries, database applications (such as MySQL (the best combination with PHP) actually mean

I am used to installing MySQL in binary format. today I am eager to install an RPM Package for MySQL. I did not expect that I have encountered some problems. I will share with you the problems I encountered. first, I will download the installation

Case study of failure to log on to the server using the specified MySQL clientI am used to installing MySQL in binary mode. Today I am eager to install MySQL with an RPM package. I did not expect that I have encountered some problems. I will share

MySQL uses show status to view the status of the MySQL server, statusmysql During website development in the LAMP architecture, we sometimes need to know the MySQL server status information, such as the running time after MySQL is started and the

MySQL Study Notes summary, mysql Study Notes Slow SQL: A Query whose execution time exceeds the specified time range is called a slow query.In MySQL, how does one record slow SQL statements?A: You can set the following information in my.

Directory I. Optimization Overview Ii. query and index optimization Analysis 1. performance bottleneck locating Show command Slow query log Explain analysis Query Profiling Analysis Query   2 Index and Query Optimization Iii. Configuration

Role of the master and slave: 1. It can be used as a backup method. 2. read/write splitting to relieve the pressure on a database MySQL master-slave backup principle: Mysql master-slave replication requires at least two Mysql services. Of course,

Slow sql: Queries that run longer than a given time range are called slow queries.How do I record slow sql in MySQL?A: You can set the following information in MY.CNF: [Mysqld] ; Enable the slow query log, default

Excerpt from: http://www.jb51.net/article/33736.htmWith the help of explain, you know when to add an index to the table to use the index to find records and make the select run faster.If some problems arise due to improper use of the index, you can

Detailed steps for implementing mysql hot backup in linux (mysql master-slave replication) bitsCN.com Role of the master and slave: 1. it can be used as a backup method. 2. read/write splitting to relieve the pressure on a database MySQL