10 Articles recommended for BeginTransaction

A transaction (Transaction) is an important feature in the operational database that allows you to book a single, or a series of SQL statements, and then execute them together, and, in the course of execution, you can roll back all the changed operations if one of them fails to execute. If the execution succeeds, the sequence of operations will be permanently valid. The transaction solves the problem of being out of sync when manipulating the database. At the same time, the execution efficiency can be much higher when the transaction executes the large amount of data. The same thing can be accomplished in PDO 1: Open things: BeginTransaction () method The BeginTransaction () method turns off autocommit (autocommit) mode, Until the thing is committed or rolled back 2: Commit the Thing: Commit () method commit () method completes the commit operation of the thing, success returns True, otherwise false. 3: Thing rollback: RollBack () method The RollBack () method performs a rollback operation of the thing. For example: $DBM

1. Recommended 10 articles on PHP begintransaction transactions

Summary: Transactions (Transaction) are an important feature of the operational database, which allows you to book a single, or a series of SQL statements, and then execute them together, and, if one of them fails to execute during execution, you can roll back all the changed operations. If the execution succeeds, the sequence of operations will be permanently valid. The transaction solves the problem of being out of sync when manipulating the database. At the same time, the execution efficiency can be improved by the execution of large amount of data through the transaction, and many .  are also available in PDO ...

2. Handling of things in PDO

Summary::P do things: Transactions (Transaction) are an important feature of the operational database that allows you to book a single, or a series of SQL statements, and then execute them together, and, in the course of execution, you can roll back all the changed operations if one of them fails to execute. If the execution succeeds, the sequence of operations will be permanently valid. The transaction solves the problem of being out of sync when manipulating the database. At the same time, the execution efficiency can be much higher when the transaction executes the large amount of data. The same thing can be achieved in PDO.

3. Pdftowordconverter PHP PDO function library

Introduction: Pdftowordconverter:pdftowordconverter PHP PDO Library in detail: At present, the implementation of the "Database Abstraction Layer" is a long way to go, using the "Database access abstraction layer" such as PDO is a good choice. The PDO contains three predefined classes of PDO that contain three predefined classes, namely PDO, Pdostatement, and Pdoexception. First, Pdopdo->begintransaction ()-Indicates the rollback start point pdo->commit ()-Indicates the rollback end point and executes the Sqlpdo->__c

4. Blendfunction PHP PDO function library (PDO Functions) 1th 2 page

Introduction: Blendfunction:blendfunction PHP PDO Library (PDO Functions) 1th/2: PDO is more efficient than ADODB and MDB2. For now, implementing a "database Abstraction Layer" is a long way off, and using a "Database access abstraction Layer" like PDO is a good choice. Pdo->begintransaction ()-Indicates the rollback start point pdo->commit ()-Indicates the rollback end point and executes SQL Pdo->__construct ()-an instance of the PDO link database is established pdo-> Er

5. PHP SQLite Learning Notes and FAQs 1th 2 page _php tutorial

Introduction: PHP SQLite Learning notes and common problems analysis 1th/2 page. Until you learn! Find data before you go to SQLite SQL Attachdatabase begintransaction comment committransaction COPY createindex createtable Createtrigger CreateView DELETE detachdatabase DR

6. PHP PDO Transaction Rollback code Instance _php Tutorial

Summary: PHP PDO transaction rollback code instance. PHP PDO transaction Rollback code instance $this-begintransaction (); $this-exec (' Update people set age=2 '); $step 1 = mysql tutorial _error ();//Your class, change to execute SQL error, get

7. PHP PDO issues cannot be rolled back

Summary: PHP PDO transaction cannot rollback public function submit () {try {$this->begintransaction (); $this->exec (' Update people set age=2 '); $this->exec (' INSERT into course (course,num) VALUES (

8. Can you use pre-processing in your PDO transaction?

Introduction: Can I use pre-processing in the transaction of PDO? Can I use pre-processing in the transaction of PDO? For example, can you rollback a transaction after the following code exception? PHP codetry{$pdo->begintransaction (); $sql = ' INSERT ... '; $pdo _pre = $pdo->prepare ($sql); $pd

9. Zend Framework transaction Processing related issues

Summary: Zend Framework Transaction Processing Problems An example is given, as follows: <?php//Create a $db object and start a transaction. $db->begintransaction ();//try the database operation.//If successful, Commit the operation;//IF, Rol

PHP SQLite Learning Notes and FAQs 1th/2 Page

Introduction: PHP SQLite Learning notes and common problems analysis 1th/2 page. Until you learn! Find data before you go to SQLite SQL Attachdatabase begintransaction comment committransaction COPY createindex createtable Createtrigger CreateView DELETE detachdatabase DR