mysql copy table schema

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MySQL performance tuning and Architecture design--9th chapter The performance optimization of MySQL database schema design

MySQL performance tuning and Architecture design--9th chapter The performance optimization of MySQL database schema designPreface: Many people think that performance is optimized in the process of writing code (program code or database code), in

Principles and Application of pt-online-schema-change, ptonlinechangeschema

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

[MySQL] table online redefinition-pt-online-schema-change_MySQL

[MySQL] online table redefinition-pt-online-schema-change bitsCN.com MySQL does not support online table redefinition like Oracle itself, but we can use the open-source software percona-toolkit tool pt-online-schema-change for online

Pt-Online-schema-change of MySQL online DDL Tool

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

Percona-toolkit Pt-online-schema-change (change the table structure online)

Traditional method to modify table structure similar to ALTER TABLE XX Modify, you need to lock the table structure, if the table is large, the operation time will be longer. At present, the vast majority of business requirements 24*7 Non-stop

MySQL uses Pt-online-change-schema tool to modify level 160 million data sheet structure online

Pick to: This paper describes the problemof MySQL DDL , thept-online-schema-change of the work principle , and the actual use of The pt-online-schema-change tool modifies the 160 million-level data table structure on-line in the production

"MySQL" High performance MySQL learning notes, fourth, schema and data type optimization

"MySQL" High performance MySQL learning notes, fourth, schema and data type optimizationGood logical and physical design is the cornerstone of high performance, and the schema should be designed according to the query statement that the system will

MySQL performance tuning and Architecture design--13th: The MySQL Replication of extensible design

13th. The extensible design of MySQL ReplicationObjective:MySQL Replication is a very distinctive feature of MySQL, and he is able to copy the data from one MySQL server Instance to the Instance of another MySQL server. Although the replication

Pt-online-schema-change interpretation

"Use" online change chart"Note the risk" because it involves modifying the table's data and structure, so be careful to test and backup before use, the tool will not change the table by default, unless you add the--execute parameter"Introduction to

MySQL Fast copy data table and database method

The following examples are to copy old_table to new_table. To start with the conclusion, the most recommended practice is the following two lines: The code is as follows Copy Code CREATE TABLE new_table like

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