Given table T1 has column I1 containing the following data:
I1
1 2 3 4
If the following sequence of SQL statements is applied within a single unit of work:
UPDATE t1 SET i1 = 3 WHERE i1 = 2; S AVEPOINT s1 ON ROLLBACK RETAIN CURSORS; UPDATE t1 SET i1 = 5 WHERE i1 = 3; SAVEPOINT s2 ON ROLLBACK RETAIN CURSORS;INSERT INTO t1 (i1) VALUES (6); ROLLBACK TO SAVEPOINT s1; UPDATE t1 SET i1 = 2 WHERE i1 = 4; COMMIT;
What is the expected sequence of values returned from?（）
SELECT i1 FROM t1 ORDER BY i1