Multi data source configuration Jpa
Twenty eight good people are like crisp people. They cut fools with swords at their waist. Although I don't see my head falling, I secretly teach you that your bone marrow is withered.
The previous chapter briefly introduced how to configure the jdbctemplate for multiple data sources (15). If you haven't seen it, Please watch the previous ch ...
Posted by atlanta on Tue, 07 Sep 2021 01:58:19 +0200
MHA High Availability Configuration and Failover
Catalog
1. Understanding MHA
1. Overview of MHA
2. Composition of MHA
3. Characteristics of MHA
4.MHA cluster architecture diagram
2. Build MySQL MHA
1. Construction of MHA
2. Fault simulation
Algorithms for failover alternate primary libraries:
Failure Repair Steps:
1. Understanding MHA
1. Overview of MHA
MHA (Mast ...
Posted by XiaoRulez on Mon, 06 Sep 2021 18:54:03 +0200
Berserker says Mybatis notes
Crazy God said MyBatis01: the first program
Introduction to MyBatis
Environmental description:
jdk 8 +MySQL 5.7.19maven-3.6.1IDEA
Before learning, you need to master:
JDBCMySQL
Java Foundation MavenJunit
What is MyBatis
MyBatis is an excellent persistence layer frameworkMyBatis avoids almost all JDBC code and the proce ...
Posted by jeephp on Thu, 02 Sep 2021 20:47:51 +0200
SpringBoot implements multiple data source configuration
Spring boot for multi data source configuration
springBoot implements the configuration of multiple data sources application.properties Configure two data sources in
spring.datasource.primary.url=jdbc:mysql://localhost:3306/test1
spring.datasource.primary.username=root
spring.datasource.primary.password=root
spring.datasource.primary.driv ...
Posted by AtomicRax on Mon, 20 Jul 2020 18:01:36 +0200
ajax and servlet -- Verify that the user name exists
Verify that the user name exists -- using jQuery
1. Database mysql
The user name already exists in the database.
2. html Page
<body>
<h1>User Login</h1>
<hr>
<form name="regForm" action="dologin.jsp" method="post">
<table>
<tr>
<td>user ...
Posted by splitinfo on Fri, 17 Jul 2020 16:26:13 +0200
phpmyadmin connects databases on multiple servers at the same time
1. Scenarios for use
In general, there are test environments and formal environments for our development.Of course, databases are also separate.If you could use phpmyadmin to directly access mysql on both servers.This is the need.
2. Solutions
1. Find under the phpmyadmin folderConfig.sample.inc.php, renamedConfig.inc.php.
2. OpenConfig. ...
Posted by DanArosa on Wed, 15 Jul 2020 17:45:45 +0200
Solving Chinese Scrambling Problem of mysql+python on mac Platform
First, for mysql databases, the default character is latin1
This latin1 is the culprit that we can't write in Chinese.The solution, then, is to change the character set to UTF-8
The easiest way to do this is to modify the windowMy.iniProfile),My.iniWhere and how to modify it to UTF-8 is as follows: https://www.cnblogs.com/Ray-xujianguo/p/332 ...
Posted by htcilt on Sun, 12 Jul 2020 17:34:44 +0200
Install MySQL 5.7 under CentOS 7.3
1. Download
Download address: https://dev.mysql.com/downloads/mysql/
Select the version you need to install, where my computer is CentOS7.3 64 bit
Then download RPM Bundle, a collection of several programs.
Then start downloading...
2. Unzip the installation package
Unzip mysql-5.7.20-1.el7.x86_64.rpm-bundle ...
Posted by cdwhalley.com on Thu, 09 Jul 2020 18:16:54 +0200
Aliyun CentOS7.3 Build LNMP Manually
**
1. Turn off firewalls and selinux
---------------
**
Close Firewall
[root@localhost ~]# systemctl stop firewalld.service
selinux
[root@localhost ~]# vim /etc/sysconfig/selinux
Find SELINUX=enforcing and change enforcing to disabled
[root@localhost ~]# setenforce 0
**
2. Install nginx
---------
**
wget download install ngi ...
Posted by antwown on Sat, 04 Jul 2020 17:42:46 +0200
MySQL Installation Configuration
Linux version: CentOS 6.5 64-bit
1. Download MySQL
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.20-1.el6.x86_64.rpm-bundle.tar
2. Decompression
mkdir mysql
cd mysql
[root@localhost mysql]# tar -xvf mysql-5.7.20-1.el6.x86_64.rpm-bundle.tar
mysql-community-embedded-devel-5.7.20-1.el6.x86_64.rpm
mys ...
Posted by phpMitch on Fri, 03 Jul 2020 17:18:54 +0200