We always have to live in a certain framework. The composition of the Framework comes from law, morality, and potential rules. Most people only want ansheng to live. After all, there are a few desperate people. Some people break the framework and
How to Use pt-online-schema-change to change the primary key of a MySQL table, ptonlinechangeschema
When the service runs for a period of time and finds that the original primary key settings are not reasonable, you want to change the primary key.
Principles and Application of pt-online-schema-change, ptonlinechangeschema
If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the blog garden. Thank you for your
Source: http://blog.itpub.net/26515977/viewspace-1208257/We always have to live in a certain frame, the structure of the framework comes from the law, from the moral, and from the unspoken rules. Most people just live, life is a few people, after
MySQL Study -- MySQL schema_information database, mysql database schema
MySQL Study-MySQL schema_information Database
The information_schema database is generated after mysql 5.0. A virtual database does not exist physically.
Performance-schema was first introduced in MYSQL5.5, but now more metrics are added to performance-Schema in 5.6 and 5.7, and more statistics are available, more and more ORACLE-AWR statistics to catch up, really DBA kids shoes performance diagnosis
MySQL Performance-Schema (1) configuration table, performanceschema
Performance-schema was first introduced in MYSQL 5.5, but now more metrics are added to performance-Schema in MYSQL 5.6 and 5.7, and more statistics are available, more and more
Performance-schema first appeared in MySQL 5.5, and now 5.6,5.7 Performance-schema added more monitoring items, more statistical information, more and more oracle-awr statistical information Bright, is the DBA children's shoes for performance
Pt-Online-schema-change of MySQL online DDL Tool
MySQL DDL:DDL is a feature that makes all MySQL ddbas criticized, because in MySQL, when dDDL is performed on a table, it locks the table. When the table is small, such as less than 1 W rows, it has
MySQL schema and binary log disk space trend analysis, schemabinary
Author: SkateTime: 2015/01/05
Disk Space Trend Analysis of MySQL schema and binary log
[Root @ skatedb55 dist] #./mysqlsize -- helpUsage: Database diskspace usage v0.1, (C)
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