Problem: Master/Slave
Server Table Type Selection
The general consensus is that the master server uses InnoDB and the slave server uses MyISAM to do its best.
Question: select the field type of the Master/Slave Server
The field type has a
First install the required development kit
Sudo apt-Get install GCC g ++ libgpc3 libg ++ make GDB
Install MySQL C Language Development Kit
Sudo apt-Get install libmysql ++-dev libmysql ++ 2 c2a libmysqlclient15-dev libmysqlclient15off
Copy
First, download and install the Linux QQ installation package on the Linux platform!
The installed QQ is not very nice, haha !!
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Then, test whether MySQL is
The system crontab is used to regularly execute Backup files and save the backup results by date to achieve the purpose of backup. 1. Create the path to save the backup file/mysqldata #
Mkdir/Mysqldata 2. Create the/usr/sbin/bakmysql file #
1 -- SQL operator priority
The SQL operator priority listed here is taken from mysql5.1. Note that the operator priority ranges from low to high, and the operators listed in the same row have the same priority.
Priority
Operator
By default, MySQL cannot be accessed through a remote machine. The following configuration allows you to enable remote access.
On the MySQL server:
Run the MySQL command to enter the MySQL command mode, SQL
Code
mysql> use MySQL;
I have always considered MySQL database applications in Linux to be tricky. This time, by setting up a Linux learning environment, I will study and learn how to install and uninstall MySQL Databases in Linux.
1. Let's take a look at uninstallation,
The following prompt message is displayed in the MySQL Log file, which is related to the federated engine. This option is added during compilation but is not enabled in the configuration file, for more information about the federated engine, see the
Due to development needs, MySQL 5.5.9 needs to be installed and installed now. There are always errors when rpm is used, and there are still a lot of troubles related to the issue. In addition, no Binary Package is found, I had to find the source
If you insert two rows of values 'A' and 'A' in a column with a unique constraint on MySQL, MySQL considers it to be the same, but not in Oracle. is the default MySQL field value case-insensitive? This is a headache.
See the following test: Mysql>
When sqlyog enterprise v8.1 is used in English, a dialog box is displayed when you execute an SQL statement:
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Error number: 1289 error message:'Show profiles'Feature is disabled; you need MySQL built'Enabable-profiling'To have it
MySQL Of Install The process is relatively simple. 1. On the maste host,ConfigurationMy. CNFAdd the following fields in the [mysqld] configuration section: Log-bin = mysql-bin.logBINLOG-do-DB = blog # Name of the database to be synchronizedBINLOG-
Compared with the various replication structures described above, the most significant advantage of MySQL cluster is high availability, high real-time performance, high redundancy, and high scalability. However, the performance of the MySQL cluster
Connect python to MySQL
Read moreCode:
#! /Usr/bin/ENV Python#-*-Coding: UTF-8-*-# This statement tells python to use UTF-8 Encoding#===================================================== ========================================## Name:
Document directory
Data Table portability
Mysql Data Tables support six types: bdb, heap, isam, merge, MyISAM, and innobdb.
These six types are divided into two categories: Transaction-safe, including bdb and InnoDB, And the other are in the
When accessing phpMyAdmin, "MySQL extension cannot be loaded. Check the PHP configuration ". Check that "php_mysql.dll" cannot be loaded.
For PHP 4.x users, follow discuz! 4.0 the user manual description in the program can be done in general. The
Define the encoding charset = utf8 In The Connection database string.
As follows:
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Recently, all the original programs have been migrated to nginx, and Ubuntu has been used for a while. I am getting used to the Linux operations. In addition, the performance of Linux is really good, the configuration starts.
Configured
Ubuntu 9.10
This article introduces 10 MySQL tools that simplify the development process. With these well-designed tools, you can manage your MySQL database more easily. Developers should constantly look for tools that can help improve development.
Using a
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