Synchronize data to ES using Canal
1, Canal overview
1. What is Canal?
Canal is an open source component of Alibaba. Its main purpose is to provide incremental data subscription and consumption based on MySQL database incremental log parsing. The introduction of canal is very good in the official documents on GitHub. I won't introduce it here. Interested view git address: http ...
Posted on Tue, 23 Nov 2021 22:49:25 -0500 by cornelombaard
Deploying MySQL clusters in Kubernetes
Article reprinted from: https://www.cnblogs.com/ludongguoa/p/15319861.html
Generally, Kubernetes can create multiple pod replicas with one pod template through ReplicaSet, but they are stateless and can be replaced by a new pod at any time. However, a stateful pod needs another scheme to ensure that when a stateful pod hangs, the pod instance n ...
Posted on Tue, 23 Nov 2021 02:47:19 -0500 by Xonnie316
Database deletion to Paolu (plastic)
command
Start close remote link exit skip start permission modify password
\#Start database
net start mysql
\#close database
net stop mysql
\#Remote linked database
mysql -h Host address -u user name -p User password
mysql -u root -stop
/* Connecting and disconnecting servers */
mysql -h address -P port -u user name -p password
\#Exit dat ...
Posted on Tue, 23 Nov 2021 02:31:40 -0500 by cdrees
ch2 data management
preface
Database management is very important. This paper is based on mysql8.0
text
Account Management
Create a new account create user 'root'@'localhost' identified by '123456';
create user 'root'@'%' identified by '123456';
"localhost" means that the user can only log in locally, and the remote login is "%" Set a ...
Posted on Mon, 22 Nov 2021 10:51:25 -0500 by synical21
Introduction and installation of Niuke mysql
Section 1 Introduction to MySQL
MySQL is the most popular relational database management system. In terms of WEB application, MySQL is one of the best RDBMS(Relational Database Management System) application software.
We use a relational database management system (RDBMS) to store and manage large amounts of data.
The so-called relational datab ...
Posted on Mon, 22 Nov 2021 08:56:13 -0500 by anakadote
Outsourcing human resource management system based on Spring MVC + Spring + MyBatis
Resource download: https://download.csdn.net/download/weixin_44893902/45600390
Exercise point design: fuzzy query, delete, add
1, Language and environment
Implementation language: JAVA language.Environment requirements: MyEclipse/Eclipse + Tomcat + MySql.Use technology: Jsp+Servlet+JavaBean or spring MVC + Spring + mybatis.
2, Realiz ...
Posted on Sun, 21 Nov 2021 21:09:55 -0500 by beginPHP
MySQL table RANGE partition, addition, deletion, reorganization, efficiency comparison
To learn about MySQL partition related concepts, usage scenarios and restrictions, click here
Sample tables for this article
Create table
CREATE TABLE `student_1` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NAME` varchar(30) NOT NULL,
`SEX` char(2) NOT NULL,
`AGE` int(11) NOT NULL,
`CLASS` varchar(10) NOT NULL,
`GRADE` varchar(2 ...
Posted on Sun, 21 Nov 2021 18:24:13 -0500 by ferronrsmith
Ali Cloud Server Install mysql Crash Process
First, confirm that Ali Cloud's server mirror is a public mirror version of the CoentOs 7 series (previously built for upload by others, not a pure environment, otherwise it is prone to problems)
Turn over to the last step before installing.
I. Start Installation
1. Download the package of mysql. I downloaded the following version
...
Posted on Sun, 21 Nov 2021 12:40:46 -0500 by balloontrader
Backup and recovery of MySQL database under Linux
Author: Grey
Original address: Backup and recovery of MySQL database under Linux
overview
Backup modeexplainremarksmysqldumpBy default, only tables, views, and triggers are backed upBy default, stored procedures and events are not backed up, and configuration parameters need to be added. If stored procedures and events need to be backed up, ...
Posted on Sun, 21 Nov 2021 02:27:27 -0500 by dmb
MySQL multi table query (implemented by SQL joins)
catalogue
multi-table query
multi-table query
introduce: SELECT..... FROM... WHERE...AND/OR/NOT ORDER BY...(ASC/DESC) LIMIT...
Which city does the employee named 'Abel' work in?
SELECT *
FROM employees
WHERE last_name='Abel';
SELECT *
FROM departments
WHERE department_id=80;
SELECT *
FROM locations
WHERE location_id=2500;
2. How to ...
Posted on Sat, 20 Nov 2021 12:47:54 -0500 by waskelton4