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MySQL performance tuning and Architecture Design-Chapter 1 Performance Design-MySQL Replication and replication Optimization Chapter 1 scalability design-MySQL Replication Preface: MySQL Replication is a unique feature of MySQL. It can completely

A lock is a mechanism by which a computer coordinates multiple processes or a purely thread concurrently accessing a resource. in a database, data is a resource that is shared by many users in addition to the contention of traditional computing

MySQL常用指令，java，php程序员，数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the

13th. The extensible design of MySQL ReplicationObjective:MySQL Replication is a very distinctive feature of MySQL, and he is able to copy the data from one MySQL server Instance to the Instance of another MySQL server. Although the replication

MySQL installation and use 1. what is MySQLMySQL (pronounced MyEssQueEll) is an SQL database Server developed by Tcx (www. tcx. se) with multiple users and multiple execution threads. MySQL aims to be fast, stable, and easy to use. MySQL can be

Objective In order to ensure consistent integrity of data, there is a locking mechanism in any database. The quality of locking mechanism should be directly thought of the concurrent processing ability and performance of a database system, so the

MySQL study Notes-insert row records into data tables 1. use the INSERT statement to INSERT new data Syntax: INSERT [INTO] tbl_name [(col_name,...)] VALUES (pression ,...),... INSERT [INTO] tbl_name SET col_name = expression ,... Let's start to use

Understanding of MySQL optimistic lock, pessimistic lock, shared lock, exclusive lock, row lock, table lock conceptWhen we operate the database, there may be inconsistencies in data due to concurrency problems (data Conflicts)Optimistic

I. Preface: After the database server is set up, the first thing we need to do is not to consider which MySQL-carried servers should be running on the server that supports the database.ProgramBut how to recover to the last normal state after the

Overview compared to other databases, MySQL's locking mechanism is relatively simple, and its most notable feature is that different storage engines support different locking mechanisms. MySQL can be broadly categorized into the following 3 types of