Locks Used in MySQL

MySQL Tutorials - Herong's Tutorial Examples

∟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.

These sections are omitted from this Web preview version. To view the full content, see information on how to obtain the full version this book.

Lock Types and Lock Levels

Table Level Locks in MySQL

Row Level Locks in MySQL

Takeaways:

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

Archived Tutorials

References

Full Version in PDF/EPUB