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SQL>
SQL> CREATE TABLE purchase (
2 product_name VARCHAR2(25),
3 quantity NUMBER(4,2),
4 purchase_date DATE,
5 salesperson VARCHAR2(3)
6 );
Table created.
SQL>
SQL>
SQL> INSERT INTO purchase VALUES ('Small Widget', 1, '14-JUL-03', 'CA');
1 row created.
SQL> INSERT INTO purchase VALUES ('Medium Widget', 75, '14-JUL-03', 'BB');
1 row created.
SQL>
SQL>
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
Medium Widget 75 14-JUL-03 BB
SQL>
SQL> ROLLBACK;
Rollback complete.
SQL>
SQL> SELECT * FROM purchase;
no rows selected
SQL>
SQL>
SQL> INSERT INTO purchase VALUES ('Small Widget', 1, '14-JUL-03', 'CA');
1 row created.
SQL> SAVEPOINT a;
Savepoint created.
SQL> INSERT INTO purchase VALUES ('Medium Widget', 75, '14-JUL-03', 'BB');
1 row created.
SQL> SAVEPOINT sp_2;
Savepoint created.
SQL> INSERT INTO purchase VALUES ('Product Number', 2, '14-JUL-03', 'GA');
1 row created.
SQL> SAVEPOINT third;
Savepoint created.
SQL> INSERT INTO purchase VALUES ('Small Widget', 8, '15-JUL-03', 'GA');
1 row created.
SQL> SAVEPOINT final_sp;
Savepoint created.
SQL> INSERT INTO purchase VALUES ('Medium Widget', 20, '15-JUL-03', 'LB');
1 row created.
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
Medium Widget 75 14-JUL-03 BB
Product Number 2 14-JUL-03 GA
Small Widget 8 15-JUL-03 GA
Medium Widget 20 15-JUL-03 LB
SQL> ROLLBACK TO final_sp;
Rollback complete.
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
Medium Widget 75 14-JUL-03 BB
Product Number 2 14-JUL-03 GA
Small Widget 8 15-JUL-03 GA
SQL> ROLLBACK TO third;
Rollback complete.
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
Medium Widget 75 14-JUL-03 BB
Product Number 2 14-JUL-03 GA
SQL> ROLLBACK TO sp_2;
Rollback complete.
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
Medium Widget 75 14-JUL-03 BB
SQL> ROLLBACK TO a;
Rollback complete.
SQL> SELECT * FROM purchase;
PRODUCT_NAME QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
Small Widget 1 14-JUL-03 CA
SQL> ROLLBACK;
Rollback complete.
SQL> SELECT * FROM purchase;
no rows selected
SQL>
SQL>
SQL> drop table purchase;
Table dropped.
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