hetu-core/hetu-docs/zh/sql/start-transaction.md

+++

title = "START TRANSACTION" +++

START TRANSACTION

摘要

START TRANSACTION [ mode [, ...] ]

其中 mode 是以下值之一：

ISOLATION LEVEL { READ UNCOMMITTED | READ COMMITTED | REPEATABLE READ | SERIALIZABLE }
READ { ONLY | WRITE }

说明

为当前会话启动一个新事务。

示例

START TRANSACTION;
START TRANSACTION ISOLATION LEVEL REPEATABLE READ;
START TRANSACTION READ WRITE;
START TRANSACTION ISOLATION LEVEL READ COMMITTED, READ ONLY;
START TRANSACTION READ WRITE, ISOLATION LEVEL SERIALIZABLE;

另请参见

commit、[rollback](./ rollback.html)