copy table schema from one database to another

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 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

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

When you delete a user of a database under Ms Sql2005, prompt " database principal has schema in this database, cannot delete " error solution1, under the security-> architecture to see if there is no such user exists, if there is to deleteTry again

MySQL Database sub-Library sub-table scheme, once the database is too large, especially when the write is too frequent, very difficult to be supported by a host, we will still face the expansion bottleneck. At this point, we have to find other

1. Industry challenges-four scenarios for "cross-Library paging"1). Method One: Global View methodA. Change the order by time offset X limit Y to the order by time offset 0 limit x+yB. The service layer sorts the resulting n (x+y) data in memory,

This process, it is quite difficult ....First, I used the data transfer in the Navicat in the migration, although the entire database migration is not successful, but the transfer of the specified object is still transferred successfully. So let's

From: http://www.2cto.com/database/201206/134514.html 0. Create a database tableMysql> create database if not exists my_db default charset utf8 COLLATE utf8_general_ci;# Pay attention to the following sentence "COLLATE utf8_general_ci", which

In the process of expanding the scale of the Web site from small to large, the database's access pressure is also increasing, the database architecture also needs to be dynamically expanded, the database expansion process basically contains the

Transfer from CSDNIn the process of expanding the scale of the Web site from small to large, the database's access pressure is also increasing, the database architecture also needs to be dynamically expanded, the database expansion process basically