Transactions and Savepoints : SAVEPOINT « Transaction « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Transaction
3. SAVEPOINT

SQL>
SQL>
SQL> CREATE TABLE emp (
  2     empID INT NOT NULL PRIMARY KEY,
  3     Name      VARCHAR(50) NOT NULL);

Table created.

SQL> INSERT INTO emp (empID,Name) VALUES (1,'Tom');

1 row created.

SQL> INSERT INTO emp (empID,Name) VALUES (2,'Jack');

1 row created.

SQL> INSERT INTO emp (empID,Name) VALUES (3,'Mary');

1 row created.

SQL> INSERT INTO emp (empID,Name) VALUES (4,'Bill');

1 row created.

SQL> INSERT INTO emp (empID,Name) VALUES (5,'Cat');

1 row created.

SQL> INSERT INTO emp (empID,Name) VALUES (6,'Victor');

1 row created.

SQL>
SQL> SAVEPOINT BeforeAddingBademp;

Savepoint created.

SQL> INSERT INTO emp (empID, Name) VALUES (99, 'Bad emp');

1 row created.

SQL> ROLLBACK TO BeforeAddingBademp;

Rollback complete.

SQL>
SQL> COMMIT;

Commit complete.

SQL>
SQL>
SQL>
SQL> drop table emp;

Table dropped.