php mysql start transaction

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

MySQL's transactional support is not tied to the MySQL server itself, but is related to the storage engine 1. MyISAM: Transaction not supported, for read-only program lift high performance 2.InnoDB: Acid transaction, row level lock, concurrent

Source: ReprintMySQL's transactional support is not tied to the MySQL server itself, but is related to the storage engine 1. MyISAM: Transaction not supported, for read-only program lift high performance 2.InnoDB: Acid transaction support, row level

A transaction is a continuous set of database operations, as if it were a single unit of work. In other words, it will never be a complete transaction unless each individual operation within that group is successful. If any operation in the

MySQL's transactional support is not tied to the MySQL server itself, but is related to the storage engine 1. MyISAM: Transaction not supported, for read-only program lift high performance 2.InnoDB: Acid transaction, row level lock, concurrent

Transferred from: http://www.cnblogs.com/ymy124/p/3718439.htmlMySQL's transactional support is not tied to the MySQL server itself, but is related to the storage engine 1. MyISAM: Transaction not supported, for read-only program lift high

Source: The transaction support reproduced in MySQL is not tied to the MySQL server itself, but is related to the storage engine 1. MyISAM: Transaction not supported, for read-only program lift high performance 2.InnoDB: Acid transaction, row level

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

PHP and MYSQL transaction processing and PHPMYSQL Transaction Processing /*There are two main methods to process MYSQL transactions.1. Use begin, rollback, and commit to implementStart a transactionRollback transaction rollbackCommit transaction

PHP and MySQL transaction processingIn general, transactions should have acid characteristics. The so-called acid is Atomic (atomicity), consistent (consistency), Isolated (isolation), durable (persistent) four words written in the first letter, the