皮皮学，免费搜题
登录
搜题
【单选题】
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 i1A.
1, 2, 3, 3
B.
1, 2, 2, 4
C.
1, 2, 3, 3, 6
D.
1, 2, 2, 5, 6
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】我国交通运输业的发展方向是 运输发挥基础作用。
【简答题】我国交通运输业的发展方向是 运输发挥骨干作用。
【简答题】44-1. 促销按时效性可分为 ( ) 和 ( ) 。
【单选题】-Would you like me to go together with you? -Yes, _________.
A.
I’d like to
B.
I’d like
C.
please do
D.
I like it very much
【简答题】布卢姆太太的明信片是____寄给她的。
【单选题】—I'm impressed. When you gave directions to the taxi driver, you sounded just like a native. Do you understand everything now? —________.
A.
Well, not quite. I still have trouble expressing myself.
B.
A little. But I used to have a lot of trouble with the pronunciation.
C.
Not everything. I still have some trouble understanding people, especially when they speak fast.
【简答题】我国交通运输业的发展方向是 运输发挥骨干作用。A. 铁路
【单选题】A: Excuse me. Could you show me the way to the nearest post office? B: ______
A.
OK. I'd like to go with you.
B.
No problem. It's my pleasure to direct you.
C.
Sorry. I'm busy now. Go away.
D.
Of course. Go down this street and turn left.
相关题目：