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Sep 6, 2023 · SET TRANSACTION Command. The values for the properties of the current transaction, such as the transaction isolation level and access mode, are set using the SET TRANSACTION Statement in MySQL. Syntax: SET TRANSACTION [ READ WRITE | READ ONLY ]; COMMIT Command.
The SET TRANSACTION statement in SQL is used to configure properties for a transaction. Transactions in a relational database management system (RDBMS) ensure the consistency and integrity of the data by allowing a series of SQL statements to be treated as a single unit of work.
The SET TRANSACTION command can be used to initiate a database transaction. This command is used to specify characteristics for the transaction that follows. For example, you can specify a transaction to be read only or read write.
Feb 10, 2021 · In this article, we will talk about fundamental details of the transactions in SQL Server. Introduction. A transaction is the logical work unit that performs a single activity or multiple activities in a database. Transactions may consist of a single read, write, delete, or update operations or a combination of these.
Use the SET TRANSACTION statement to establish the current transaction as read-only or read/write, establish its isolation level, assign it to a specified rollback segment, or assign a name to the transaction.
A transaction in SQL represents a sequence of one or more SQL statements that are executed as a single unit of work. The fundamental properties of a transaction, often referred to as ACID properties, are Atomicity, Consistency, Isolation, and Durability.
Dec 4, 2020 · SQL Server: Explicit transactions start with the BEGIN TRANSACTION statement and end with the COMMIT or ROLLBACK statement. Oracle: Explicit transactions start with the SET TRANSACTION statement and end with the COMMIT or ROLLBACK statement.
To set the transaction access mode, use a READ WRITE or READ ONLY clause. It is not permitted to specify multiple access-mode clauses in the same SET TRANSACTION statement. By default, a transaction takes place in read/write mode, with both reads and writes permitted to tables used in the transaction.
To start a transaction explicitly, you use the BEGIN TRANSACTION or BEGIN TRAN statement first: BEGIN TRANSACTION; Code language: SQL (Structured Query Language) (sql) Then, execute one or more statements including INSERT, UPDATE, and DELETE. Finally, commit the transaction using the COMMIT statement:
You will learn about MySQL transactions and how to use the START TRANSACTION, COMMIT and ROLLBACK statements to manage transactions in MySQL.
