< SQL Dialects Reference 
      Transactions
| SQL version | Feature | Standard SQL:2011 | DB2 | Firebird | Ingres | Linter | MSSQL | MySQL Vers. 5.x | MonetDB | Oracle Vers. 11.x | PostgreSQL | SQLite | Virtuoso | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ? | Start | START TRANSACTION [transaction characteristics] | Implicit | SET TRANSACTION | ? | ? | BEGIN TRAN[SACTION] | BEGIN [WORK] START [TRANSACTION] | START TRANSACTION BEGIN TRANSACTION | Implicit | BEGIN [WORK|TRANSACTION] START TRANSACTION | BEGIN [TRANSACTION] | Implicit | 
| ? | Commit | COMMIT [WORK] | COMMIT [WORK] | COMMIT [WORK] | [EXEC SQL] COMMIT [WORK] | ? | COMMIT [WORK] COMMIT TRAN[SACTION] | COMMIT [WORK] | COMMIT [WORK] [AND [NO] CHAIN] | COMMIT [WORK] | COMMIT [WORK|TRANSACTION] | COMMIT [TRANSACTION] END [TRANSACTION] | COMMIT WORK | 
| ? | Rollback whole transaction | ROLLBACK [WORK] | ROLLBACK [WORK] | ROLLBACK [WORK] | [EXEC SQL] ROLLBACK [WORK] | ? | ROLLBACK [WORK] ROLLBACK TRAN[SACTION] | ROLLBACK [WORK] | ROLLBACK [WORK] [AND [NO] CHAIN] | ROLLBACK [WORK] | ROLLBACK [WORK|TRANSACTION] | ROLLBACK [TRANSACTION] | ROLLBACK WORK | 
| ? | Define a savepoint x, while inside a transaction | SAVEPOINT x | SAVEPOINT x ON ROLLBACK RETAIN CURSORS | SAVEPOINT x | SAVEPOINT x | ? | SAVE TRAN[SACTION] x | SAVEPOINT x | SAVEPOINT x | SAVEPOINT x | SAVEPOINT x | SAVEPOINT x | N/A | 
| ? | Rollback to given savepoint x | ROLLBACK [WORK] TO SAVEPOINT x | ROLLBACK [WORK] TO SAVEPOINT x | ROLLBACK [WORK] TO [SAVEPOINT] x | [EXEC SQL] ROLLBACK [WORK] TO x | ? | ROLLBACK TRAN[SACTION] x | ROLLBACK [WORK] TO [SAVEPOINT] x | ROLLBACK [WORK] [AND [NO] CHAIN] TO SAVEPOINT x | ROLLBACK [WORK] TO [SAVEPOINT] x | ROLLBACK [WORK|TRANSACTION] TO [SAVEPOINT] x | ROLLBACK [TRANSACTION] TO [SAVEPOINT] x | N/A | 
| ? | Release (forget) savepoint x | RELEASE SAVEPOINT x | RELEASE [TO] SAVEPOINT x | RELEASE SAVEPOINT x | N/A | ? | N/A | RELEASE SAVEPOINT x | RELEASE SAVEPOINT x | N/A | RELEASE [SAVEPOINT] x | RELEASE [SAVEPOINT] x | N/A | 
| ? | Prepare transaction named id | ? | ? | N/A | ? | ? | ? | ? | N/A | ? | PREPARE TRANSACTION id | N/A | ? | 
| ? | Commit prepared transaction named id | ? | ? | N/A | ? | ? | ? | ? | N/A | ? | COMMIT PREPARED id | N/A | ? | 
| ? | Rollback prepared transaction named id | ? | ? | N/A | ? | ? | ? | ? | N/A | ? | ROLLBACK PREPARED id | N/A | ? | 
| Start | Commit | Rollback | Prepare | Execute prepared | |
|---|---|---|---|---|---|
| Linter | Implicit | 
 | 
 | ? | ? | 
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