MySQL transaction processing and locking bitsCN.com
MySQL transaction processing and locking
Transaction processing (Transaction) is a mechanism that executes multiple update commands as a whole to ensure data integration.
Storage Engine)
MySQL
Php + mysql transaction processing steps: 1. disable automatic submission 2. start transaction processing 3. if an exception exists, the system automatically throws an exception and prompts you to roll back. 4. note: Only the InnoDB driver in mysql
PHP + Mysql implements the transfer function based on transaction processing, and mysql processes transactions. PHP + Mysql implements the transfer function based on transaction processing. mysql transaction processing this article describes how PHP
MySQL transaction learning -- amp; gt; isolation level bitsCN.com
MySQL transaction learning --> isolation level
6. transaction isolation level
Purpose
In database operations, the transaction isolation level is proposed to effectively ensure the
This article to introduce a PHP MySQL transaction rollback operation instance, there is a need to understand things rollback friends can refer to. The method of operation is simple.
Only InnoDB and BDB types of data tables in MySQL can support
MySQL transaction processing2011-03-06 16:26 2984 people read Comments (0) favorite reports Mysqltransactionspostgresql Database Sybasenullmysql5.x have been released for a long time, but there are many people think that MySQL is not
This article illustrates the method of PHP implementation of MySQL transaction processing. Share to everyone for your reference. The specific analysis is as follows:
The condition for this feature is that the environment MySQL 5.2/php 5 supports
Fifth. mysql transaction, view, index, backup and restore I. Transaction 1. What is a transactionA transaction is a mechanism, a sequence of operations, that contains a set of database operations commands and submits or revokes an operation request
1. BusinessA logical set of operations in which the individual logical units that make up this set of operations either succeed together or fail together.2. Transaction characteristicsAtomicity: Emphasizing the indivisibility of affairs.Consistency:
First, causesBegin or start transaction start a transactionROLLBACK TRANSACTION RollbackCommit TRANSACTION AcknowledgementThe interpretation of a transaction is as follows: A transaction consists of one or more SQL statements that act as a single
PHP and MySQL transaction processing$conn = mysql_connect (' localhost ', ' root ', ' root ') or Die ("Data connection error!!!");mysql_select_db (' Test ', $conn);mysql_query ("Set names ' GBK '"); Use GBK Chinese code;Start a
In fact, it's been a long time. MySQL has never been particularly clear about the relationship between the lock and the MySQL transaction. Then search the United States Regiment this article, by the way, combined with the problems you have
In the management system of transactions have a wide range of applications, so that our personnel management system, most of the synchronous database operation is very necessary to use transaction processing. For example, in a management system. You
This article focuses on the differences between MySQL transaction isolation levels and some of their own feelings.I have not been able to understand the "repeatable reading" and "can be read " The difference between the two, through this practice,
MYSQL-transaction processing is widely used in various management systems. For example, in the personnel management system, many synchronous database operations require transaction processing. For example, in the personnel management system, if you
The article briefly introduces the details of php mysql transaction processing and the lock issue during processing. If you need it, please take a look at it in detail.
Transactions
BEGIN;COMMIT;Code snippet: Modify two fields in the current
This article to the students about PHP under the PDO of the MySQL transaction processing application examples, there is a need to understand the friends can refer to.
Php+mysql several steps for transaction processing:1. Turn off auto-commit2. Turn
We all know that MySQL databases mainly have two types: data table format (traditional) and data table format that supports transaction processing, the following describes how to install and use MySQL for MySQL (the best combination with PHP)
MySQL transaction is mainly used to deal with large-scale and high-complexity data. For example, in the Personnel Management system, you delete a person, you need to delete the basic information of the person, but also to delete the information
This article describes how to implement mysql transaction processing in php and how to implement transaction rollback in the form of instances. the code is simple and practical, for more information about how to implement mysql transaction
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.