Transaction Management and Isolation Levels
This chapter provides tutorial notes on transactions. Topics include introduction of transactions, transaction management in MySQL, transaction isolation levels: Read Uncommitted, Read Committed, Repeatable Read, Serializable.
What Is a Transaction?
Transaction Management in MySQL
Transaction Isolation Levels
"Read Uncommitted" Isolation Level
"Read Committed" Isolation Level
"Repeatable Read" Isolation Level
- A transaction is a sequence of executions of DML statements to be treated as single unit.
- Transaction management are supported by InnoDB and BDB storage engines in MySQL.
- 4 levels of transaction isolation are supported: Read Uncommitted, Read Committed, Repeatable Read, Serializable.
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
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
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