33 lines
603 B
Markdown
33 lines
603 B
Markdown
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# START TRANSACTION
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## 摘要
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``` sql
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START TRANSACTION [ mode [, ...] ]
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```
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其中 `mode` 是以下值之一：
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``` sql
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ISOLATION LEVEL { READ UNCOMMITTED | READ COMMITTED | REPEATABLE READ | SERIALIZABLE }
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READ { ONLY | WRITE }
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```
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## 说明
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为当前会话启动一个新事务。
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## 示例
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``` sql
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START TRANSACTION;
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START TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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START TRANSACTION READ WRITE;
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START TRANSACTION ISOLATION LEVEL READ COMMITTED, READ ONLY;
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START TRANSACTION READ WRITE, ISOLATION LEVEL SERIALIZABLE;
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```
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## 另请参见
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[COMMIT](./commit.md)、[ROLLBACK](./rollback.md) |