mysql begin tran

All operations recorded by MySQL Binlog actually have corresponding event types, such as the DML operation in the statement format corresponds to the query_event type, and the DML operation in row format corresponds to the rows_event type. First,

From: http://blog.csdn.net/missmecn/archive/2008/10/06/3019798.aspx related articles: MySQL database lock Several lock modes in Oracle Recommendation circle:Pipboy More related recommendations The Study of the lock mechanism requires two

1ObjectiveThe database large concurrency operation takes into account the deadlock and lock performance issues. See online most vague (especially update lock), so here is a concise explanation, for the following description of the convenient, here

What is a transaction?In the MySQL environment, a transaction is composed of one or more SQL statements as a separate unit. Each SQL statement in this unit is mutually dependent, and the unit as a whole is inseparable. If a statement in a unit

Transactions are all about atomicity. The concept of Atomicity refers to the ability to treat things as a unit. From the database perspective, it refers to the minimum combination of one or more statements that should be executed or not executed at

ASP tutorials. NET and SQL processing1: Write directly to SQLWrite SQL statements directly, the SQL statement itself can have transactions, have transactions, in the stored procedure using the BEGIN TRAN,COMMIT Tran rollback TRAN. Advantages:

Strictly speaking, these three production methods have certain intersections, and their positioning methods will be explained below Strictly speaking, these three production methods have certain intersections, and their positioning methods will be

MySQL transaction processing and application analysis transaction processing are widely used in various management systems. for example, in the personnel management system, many database synchronization operations require transaction processing. For

Several steps of MySQL transaction processing:1. Turn off automatic submission2. Open transaction Processing3. The exception will automatically throw the exception prompt and roll back4. Turn on automatic submission Note: MySQL has only this innodb

Transaction processing is a very good feature in mysql. For example, if you do not use Transaction Processing When deleting a large amount of data, some deletion failures may lead to incomplete data. If you use transaction processing, such problems