---
{
    "title": "BEGIN",
    "language": "en"
}
---

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# BEGIN, COMMIT, ROLLBACK
## Description
### Syntax

```
BEGIN;
INSERT INTO table_name ...
COMMIT;
```
```
BEGIN [ WITH LABEL label];
INSERT INTO table_name ...
ROLLBACK;
```
### Parameters

> label: the label for this transaction, if you need to set it to a string.

### Note

A transaction can only be used on insert, nor update or delete. You can check the state of this transaction by `SHOW TRANSACTION WHERE LABEL = 'label'`

## example

1. Begin a transaction without a label, then commit it

```
BEGIN
INSERT INTO test VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, DEFAULT);
INSERT INTO test (c1) VALUES (1);
COMMIT:
```

All the data in the sql between `begin` and `commit` will be inserted into the table. 

2. Begin a transaction without a label, then abort it

```
BEGIN
INSERT INTO test VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, DEFAULT);
INSERT INTO test (c1) VALUES (1);
ROLLBACK:
```

All the data in the sql between `begin` and `rollback` will be aborted, nothing will be inserted into the table. 

3. Begin a transaction with a label, then commit it

```
BEGIN WITH LABEL test_label1
INSERT INTO test VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, 2);
INSERT INTO test (c1, c2) VALUES (1, DEFAULT);
INSERT INTO test (c1) VALUES (1);
COMMIT:
```

All the data in the sql between `begin` and `commit` will be inserted into the table.
The label of `test_label1` will be set to mark this transaction. You can check this transaction by `SHOW TRANSACTION WHERE LABEL = 'test_label1'`.

## keyword
BEGIN, COMMIT, ROLLBACK