Locks Used in MySQL
This chapter provides tutorial notes on locks. Topics include lock types and lock levels; read lock (shared lock) and write lock (exclusive lock); table lock, row lock and column lock; LOCK TABLES statements.
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Lock Types and Lock Levels
Table Level Locks in MySQL
Row Level Locks in MySQL
- 2 types of locks: read (shared) lock and write (exclusive) lock.
- 3 levels of locks: table lock, row lock, and column lock.
- LOCK TABLES statements are used to create table level locks explicitly.
All notes and examples in chapter are tested with MySQL 5.7, 5.6, 5.0 and 4.0 servers.
Table of Contents
About This Book
Introduction of SQL
MySQL Introduction and Installation
Introduction of MySQL Programs
PHP Programs and MySQL Server
Perl Programs and MySQL Servers
Java Programs and MySQL Servers
Datatypes and Data Literals
Operations and Expressions
Character Strings and Bit Strings
Commonly Used Functions
Table Column Types for Different Types of Values
Using DDL to Create Tables and Indexes
Using DML to Insert, Update and Delete Records
Using SELECT to Query Database
Window Functions for Statistical Analysis
Use Index for Better Performance
Transaction Management and Isolation Levels
►Locks Used in MySQL
Defining and Calling Stored Procedures
Variables, Loops and Cursors Used in Stored Procedures
System, User-Defined and Stored Procedure Variables
MySQL Server Administration
Storage Engines in MySQL Server
InnoDB Storage Engine - Primary and Secondary Indexes
Performance Tuning and Optimization
Bulk Changes on Large Tables
MySQL Server on macOS
Installing MySQL Server on Linux
Connection, Performance and Second Instance on Linux
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