The optionalWORKkeyword is supported forCOMMITandROLLBACK, as are theCHAINandRELEASEclauses.CHAINandRELEASEcan be used for additional control over transaction completion. The value of thecompletion_typesystem v
In MySQL 9.1, BEGIN, COMMIT, and ROLLBACK are not affected by --replicate-do-db or --replicate-ignore-db rules. When InnoDB performs a complete rollback of a transaction, all locks set by the transaction are released. If a single SQL statement within a transaction rolls back as a result...
ROLLBACKrolls back the current transaction, canceling its changes. SET autocommitdisables or enables the default autocommit mode for the current session. MySQL :: MySQL 8.0 Reference Manual :: 13.3.1 START TRANSACTION, COMMIT, and ROLLBACK Syntax https://dev.mysql.com/doc/refman/8.0/en/commit....
In MySQL 5.7,BEGIN,COMMIT, andROLLBACKare not affected by--replicate-do-dbor--replicate-ignore-dbrules. WhenInnoDBperforms a complete rollback of a transaction, all locks set by the transaction are released. If a single SQL statement within a transaction rolls back as a result of an error...
ROLLBACK; Syntax for transaction ROLLBACK with SAVEPOINT: ROLLBACK [TO SAVEPOINT < save_n>]; Here, thesave_nis the name of the SAVEPOINT. Let us consider the TEACHERS table we have created earlier. Code implementation with ROLLBACK:
The syntax of ROLLBACK TO, including optional clauses, is: ROLLBACK [WORK] TO [SAVEPOINT] identifier Let’s continue with the same example, delete data forid=6, and roll back tosp1: DELETE FROM Department WHERE id=6; ROLLBACK TO SAVEPOINT sp1; ...
MySQL :: MySQL 8.0 Reference Manual :: 13.3.1 START TRANSACTION, COMMIT, and ROLLBACK Syntax https://dev.mysql.com/doc/refman/8.0/en/commit.html 【如果在select读的情况下,假如认为对数据库无影响无烙印的操作,那么commit提交,就没有必要】 ...
dbcon.rollback (); In general, the rollback statement is used in exception handlers to recover from errors that may have occurred during execution of a transaction. Table Methods of the class SQLException. Name of method Description public int getErrorCode () Returns the integer value containing...
SAVEPOINT: Use to specify a point in transaction to which later you can rollback. COMMIT To make the changes done in a transaction permanent issue the COMMIT statement. The syntax of COMMIT Statement is COMMIT [WORK] [COMMENT ‘your comment’]; ...
RollbackTransCancels any changes made during the current transaction and ends the transaction. It may also start a new transaction. Syntax level = object.BeginTrans() object.BeginTrans object.CommitTrans object.RollbackTrans Return Value BeginTranscan be called as a function that returns aLong...