Tutorial on operating clone tables in MySQL and tutorial on cloning tables in mysql
There may be a situation where a completely identical copy table create table... SELECT is not suitable, because the copy must contain the same index, the default
There may be a situation where you need an identical replica table create TABLE ... The select is not appropriate because the copy must contain the same index, default, and so on.
You can handle this situation by following the steps below.
Use
Php _ call _ autoload _ clone _ toString _ sleep. , _ Wakeup explanation 1, _ call ($ method, $ arg_array) when an undefined method is called, a special method _ call () is added to the object in php Tutorial 5. this method and _ wakeup are
_ Wakeup
1. _ call_ Call ($ method, $ arg_array) When an undefined method is called
A special method _ call () is added to the object in php tutorial 5, which is used to monitor other
Method. If you try to call a method that does not exist in an
Connect and DisconnectConnectionMysql-h Host-u User-p (that is, the connected host, user name, and password used).DisconnectEnter quit (or \q) to exit at any time:Table ManagementClone tableNote: The CREATE TABLE ... like statement does not clone
MySQL master-slave Copy Data Summary1. Replication Principle
As shown in 1.png:
The first part of this process is that the master records binary logs. Before each Transaction Completes data update, the master will record these changes in the
Rationalerror: (2006, ' MySQL server has gone away ')
October 10, 2017 20:04:43Hits: 377Problem descriptionWhen using Django+celery, run a long task, start the database one time, and then operate the database again after 20 hours.After more
The example in this article describes the cloning clone usage of PHP objects. Share to everyone for your reference, specific as follows:
Shallow clones: Is simply a clone of a non-object, non-resource data, in which the property in the object is
First, MySQL master and slave copy
1. Introduction
Why do we use master-slave replication?
Master-Slave replication purposes:
Can do real-time backup of the database to ensure the integrity of the data;
Can do read and write separation,
First, install MySQL under CENTOS6Check if the system has its own Mysql:yum list installed | grep MySQL,If there is already, execute the command yum-y remove mysql-libs.x86_64 Uninstall the MySQL that is already installed.1. System
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