MySQL

Environment Introduction:Primary server (Master): 192.168.100.155Slave Server (slave1,slave2): 192.168.100.153-154Proxy Server (amoeba): 192.168.100.156App Client (APP): 192.168.100.1571. Build the time server:The NTP Time service is installed on

Reprint: https://my.oschina.net/heguangdong/blog/38567In Web applications, the promotion of SQL is simple and avoids complexity. So in our company's application can not see Jon, subqueries and other statements exist, so the indirect group by and the

The error message is as follows:Com.mysql.jdbc.PacketTooBigException:Packet for query is too large (19485760 > 10485760). You can change this value on the server by setting the Max_allowed_packet ' variable.Workaround 1:You should set the value of

After logging in with the root account, add Lower_case_table_names=1 and restart the MySQL service after [mysqld] in/etc/my.cnf, then the success is set: The case of the table name is not distinguished;Lower_case_table_names=0Where 0: Case sensitive,

Pre-Installation Preparation:1. Verify that MySQL is installed:| grep MySQL2. Delete the system's own MySQL and its dependent commands:Yum-y Remove mysql-libs.x86_643, confirm whether to delete clean:Find/-name MySQL4, if there is no delete clean

1, download, download version too much, do not know which is good, others introduced versionGo to the official website-click on the bottom downloads--> select MySQL on Windows (Installer & Tools)-->mysql installer--> SelectWindows (x86, 32-bit), MSI

Note: Into the pit content from the Easy hundred tutorials, this is just their own learning on the road experience summary ... (Easy to attach the course URL: http://www.yiibai.com/mysql/)MySQL Import sample database (http://www.yiibai.com/mysql/how-

1, BULK INSERT Configuration INSERT INTO T_novel ( ' name ' ) values ( #{item.name}, ) 2, Batch update configuration UPDATE t_novel set updatetime=now () , ' name ' = #{

MySQL and mysql Note: The content of the trap comes from the yibai tutorial, this is just a summary of your learning experience on the road... (attached to the yibai tutorial Web site: http://www.yiibai.com/mysql)MySQL import Sample Database (http://

Detailed description of instances for enabling SSD storage in MySQL, and detailed description of mysqlssd instances How to enable SSD storage in MySQL Sometimes the read/write speed of the OS reduces the performance of the MySQL server, especially

How does the MyBatis interceptor implement the paging function? How to Implement the paging function of the MyBatis interceptor Preface: First, let's talk about the implementation principle. Use the Interceptor to intercept the original SQL

How to install and configure mysql 5.7.17 in CentOS6.9: graphic tutorial, centos6.95.7.17 Install Mysql5.7 on CentOS6.9 for your reference. The details are as follows: 1. Upload the installation package 2. Create a directory for users and mysql 1.

Solution for mysql error 10061, mysql10061 This article will share with you the solutions for mysql's appearance of Can't connect to MySQL server on 'localhost' (10061) for your reference. The specific content is as follows: Method 1: I copied the

Mybatis fuzzy query implementation method, mybatis fuzzy query Implementation of mybatis fuzzy query The reverse assistant of mybatis is really easy to use, which saves a lot of time to write regular SQL statements, but it cannot automatically

Detailed parsing of Mysql replication and detailed parsing of Mysql Replication 1. mysql replication Concept The DDL and DML operations of the primary database are uploaded to the replication server through binary logs, and these log files are

How to install and configure MySql in windows 10 Install the decompressed MySql database in windows 10 Step 1:Decompress the zip file to (my) D: \ MyGreenSoftware \ mysql-5.7.10-winx64 Step 2:Add environment variable (Windows 10 operating system):

MySQL returns the following error: Can't find file: './mysql/plugin. frm'. mysqlplugin. frm Problems Found I recently found a problem in my work. The problem is that the MySQL disk is full and the database directory data is moved to the/data3

Install mysq 5.7.20 decompress version (recommended), mysq5.7.20 MySQL Official Website: Https://www.mysql.com/downloads/ Http://www.bkjia.com/softs/451120.html 1. decompress the environment variable after configuration, the root directory does

The query performance of tens of millions of data pages in mysql is optimized, and the query performance of mysql is optimized. When the mysql DATA volume is large, use limit paging. As the page number increases, the query efficiency decreases. Lab 1

Download MySQL5.7 from MySql on Mac and detailed installation illustration, mysqlmysql5.7 1. Enter the following address in the browser: Https://dev.mysql.com/downloads/mysql/ 　 2. Go to the following page: click the following position and select