MySQL Tutorials - Herong's Tutorial Notes

∟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.

Lock Types and Lock Levels

Table Level Locks in MySQL

Row Level Locks in MySQL

Conclusion:

• 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 based on SQL-92 and MySQL 5.0 server.

Table of Contents

 About This Book

 Introduction of SQL

 MySQL 4.0 Introduction and Installation

 Installing MySQL 5.5.15

 Installing MySQL 5.0.2 (Alpha)

 Introduction of MySQL 5.0 Programs

 Perl Programs and MySQL Servers

 PHP 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

 Transaction Management and Isolation Levels

►Locks-Used-in-MySQL

 Defining and Calling Stored Procedures

 Variables, Loops and Cursors Used in Stored Procedures

 References

 Printable Copy - PDF Version