A transaction (Transaction) is a program execution unit that accesses and possibly updates various data items in a database; a transaction should have 4 properties: atomicity, consistency, isolation, and persistent atomicity (atomicity). A transaction is an inseparable unit of work, and the operations included in the transaction are either done or not. Consistency (consistency). The transaction must be to change the database from one consistency state to another. Consistency is closely related to atomicity. Isolation (Isolation). Execution of one transaction cannot be disturbed by other transactions. That is, the operations inside a transaction and the data used are isolated from other transactions that are concurrently executing, and cannot interfere with each other concurrently. Persistence (durability). Persistence, also known as permanence (permanence), refers to the fact that once a transaction is committed, its changes to the data in the database should be permanent. The next operation or failure should not have any effect on it. Distributed transactions: Participants in distributed transactions, resource managers, transaction managers, etc. on unused nodes, these different nodes work together to complete a
1.10 Articles about PHP + MySQL recommended
Summary: A transaction (Transaction) is a program execution unit that accesses and potentially updates various data items in a database; a transaction should have 4 properties: atomicity, consistency, isolation, and persistent atomicity (atomicity). A transaction is an inseparable unit of work, and the operations included in the transaction are either done or not. Consistency (consistency). The transaction must be to change the database from one consistency state to another. Consistency is closely related to atomicity. Isolation (Isolation). The practice of a business ...
2. php + MySQL Distributed transaction (XA)
Summary: A transaction (Transaction) is a program execution unit that accesses and possibly updates various data items in a database;
3. Go to PHP + MySQL Distributed transaction (XA)
Introduction:: This article mainly introduces the transfer PHP + MySQL Distributed transaction (XA), for PHP tutorial interested students can refer to.
4. One dollar cloud purchase complete source Purchase CMS system with Android and iOS mobile client CMS Mobile Client CMS Monitor Mobile client 12306WP system mobile phone customer
Introduction: Mobile Client, CMS system: One yuan Cloud purchase complete source of cloud purchase CMS system with Android and iOS mobile phone client: Looks good set of one-yuan Cloud purchase CMS source code, the source package with the Android and iOS mobile phone client, the mobile phone client needs to self-decompile. Here does not do the function and other more introduction, can download oneself after slowly testing to understand. The following illustration shows the pro-test source Installation instructions: Server space needs to support PHP + MySQL1, source full upload to server space 2, through the phpMyAdmin will root
5. How can I develop a Docker application with PHP + MySQL?
Introduction: How can I develop Docker applications with PHP + MySQL?
6. Some note-taking summary of PHP development _php Tutorial
Summary: Some points of note for PHP development. Linux system use now standard system is Linux + Nginx + PHP + MySQL, so the configuration of more and more large companies in the use of the configuration is different is a company's statute, such as hanging
7. Phpnow Chinese Package 1.5.4 release (with download link) _php Tutorial
Introduction: Phpnow Chinese package 1.5.4 release (with download link). Phpnow Chinese Package installation is very simple, just decompression phpnow, initialization, you can get a standard PHP + MySQL server environment. Then you can install the discuz! directly and other programs
8. "Login with user password in phpmyadmin" Supplement _php tutorial
Introduction: "Login with user password in phpMyAdmin" supplement. Important Note: IIS5 + php + mysql and PWS + php + MySQL environment please modify due to debugging, my machine on the disk running PHP has the TMP directory, so there is no accident, there are netizens letter said
9. PHP Environment Setup (using integrated environment Phpnow) _php Tutorial
Description: PHP Environment Setup (using integrated environment Phpnow). PHP environment is not very difficult to build, but the process is a bit cumbersome. It takes time and effort to build a PHP + MySQL environment using the original program. And this is often the case when you configure PHP
win8.1 Build Apache + PHP + MySQL environment. Only localhost can access it!
Introduction: win8.1 Build Apache + PHP + MySQL environment. Only localhost can access it!
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