How do you code a transaction in PHP?

How do you code a transaction in PHP?

To handle MySQL transaction in PHP, you use the following steps:

1. Start the transaction by calling the beginTransaction() method of the PDO object.
2. Place the SQL statements and the commit() method call in a try block.
3. Rollback the transaction in the catch block by calling the rollBack() method of the PDO object.

What should transactions be used for PHP?

Transaction means to complete several actions of a group without any interruption and if something wrong happens then revert everything to the initial stage. In SQL, successful transaction means that all SQL statements has been executed successfully.

How do I COMMIT a transaction in MySQL?

MySQL transaction statements

1. To start a transaction, you use the START TRANSACTION statement.
2. To commit the current transaction and make its changes permanent, you use the COMMIT statement.
3. To roll back the current transaction and cancel its changes, you use the ROLLBACK statement.

Are transactions supported by MySQL?

MySQL supports local transactions (within a given client session) through statements such as SET autocommit , START TRANSACTION , COMMIT , and ROLLBACK . See Section 13.3. 1, “START TRANSACTION, COMMIT, and ROLLBACK Statements”. XA transaction support enables MySQL to participate in distributed transactions as well.

How do I start a transaction in MySQL?

Begin transaction by issuing the SQL command BEGIN WORK. Issue one or more SQL commands like SELECT, INSERT, UPDATE or DELETE. Check if there is no error and everything is according to your requirement. If there is any error, then issue a ROLLBACK command, otherwise issue a COMMIT command.

How does MySQL transactions work?

In MySQL, transactions begin with the statement BEGIN WORK and end with either a COMMIT or a ROLLBACK statement. The SQL commands between the beginning and ending statements form the bulk of the transaction.

How do I use PDO transaction?

To start a transaction using PDO all you have to do is to call the beginTransaction method before you execute any queries to your database. Then you make any changes you want to your data by executing INSERT and / or UPDATE queries. And finally you call the commit method of the PDO object to make the changes permanent.

Does MySQL support transaction?

What is transaction in SQL Server with example?

A transaction is the propagation of one or more changes to the database. For example, if you are creating a record or updating a record or deleting a record from the table, then you are performing a transaction on that table.