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Showing content from https://docs.snowflake.com/en/developer-guide/python-connector/../../sql-reference/sql/commit below:

COMMIT | Snowflake Documentation

Commits an open transaction in the current session.

See also:

BEGIN , ROLLBACK , SHOW TRANSACTIONS , DESCRIBE TRANSACTION

WORK

Optional keyword that provides compatibility with other database systems.

• If two COMMIT statements in a row are executed (within the same scope), the second one is ignored. For example, in the following code, the second COMMIT has no effect; there is no open transaction to commit.

  BEGIN;
  INSERT INTO table1 ...;
  COMMIT;
  COMMIT;  -- Ignored!
  

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  The rules can be more complex if you are using autonomous scoped transactions and stored procedures.

Begin a transaction, insert some values into a table, then complete the transaction by committing it:

SELECT COUNT(*) FROM A1;

+----------+
| COUNT(*) |
|----------+
|        0 |
+----------+

BEGIN NAME T3;

SELECT CURRENT_TRANSACTION();

+-----------------------+
| CURRENT_TRANSACTION() |
|-----------------------+
| 1432071497832         |
+-----------------------+

INSERT INTO A1 VALUES (1), (2);

+-------------------------+
| number of rows inserted |
|-------------------------+
|                       2 |
+-------------------------+

COMMIT;

SELECT CURRENT_TRANSACTION();

+-----------------------+
| CURRENT_TRANSACTION() |
|-----------------------+
| [NULL]                |
+-----------------------+

SELECT LAST_TRANSACTION();

+--------------------+
| LAST_TRANSACTION() |
|--------------------+
| 1432071497832      |
+--------------------+

SELECT COUNT(*) FROM A1;

+----------+
| COUNT(*) |
|----------+
|        2 |
+----------+

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