Merchant Column Name Annotation ID Merchant ID City Transaction_flow column name annotation M_id Merchant ID Amount Transaction amount Time Transaction time
As the application service data continues to increase, the application response speed decreases. During the detection process, it is not difficult to find that most...
Start with a request, first explain tomcat to Mysql database, then the execution process in the database, then explain InnoDB storage engine architecture, and finally...
If you query data and then insert or update related data in the same transaction, the regular SELECT statement does not provide sufficient protection. Other...
Mycat is an open source distributed database system, which is a Server that implements MySQL protocol. Mycat stands for BigSQL, Big Data On SQL Database.
You've already seen how to quickly build mysql services using Composer. This article will configure two Mysql servers on the original basis. One serves as...
1. Background During development, you need to create an account and grant access permission to a database. This article describes the operation method. CREATE a...
MySQL concurrency control is a trade-off between data security and concurrency processing capability, with different locking strategies to determine the impact on system overhead and...
Click on the top of the "migrant brother Linux operation and maintenance", choose "top public number" interesting and meaningful articles first time delivery! Author: web...
Recently, when reviewing the database index part, I saw fulltext, also known as full-text index. Although full-text index is seldom used in daily business, I...
Each storage engine has its own strengths and weaknesses. How to combine all kinds of storage engines in their own application environment is also a...
In InnoDB, tables are Organized according to the order of primary keys. Such tables are called Index Organized Tables. In InnoDB tables, each table has...
To solve the conflicts caused by multiple processes accessing the same data in memory or disk, there are usually two solutions. One is multi-version. The...
In the process of MySQL operation and maintenance, lock waiting and deadlock problems are very headache for DBA and development students. This type of fault...
If you look at the position of Java engineer advertised by Alibaba Cloud, you will find that "students who have passed the alibaba code specification...