【OCP 071】最新OCP 12c题库考试原题（071-70题）
最新学讯：近期OCP认证正在报名中，因考试人员较多请尽快报名获取最近考试时间，报名费用请联系在线老师，甲骨文官方认证，报名从速！
我要咨询2018年OCP 11g考试原题解析已经讲解30多次课，500多道考试原题，最终达到98%以上的考题覆盖度及95%以上的考试通过率。
2019年OCP 11g将升级到12c，OCP 12c考试解析免费公开课也已经开始了，欢迎大家收看!
OCP解析公开课时间：【每周五晚8点】
OCP解析公开课地址：http://ke.qq.com/course/326223
OCP解析群资料分享：1015267481 验证：ocp
另外，除了OCP公开课，OCM题库直播也同步进行中，OCM最新题库大爆料-【每周四晚8点】，【微信群直播】，可以联系咨询老师进群参与
-------------------------------------------------------
70、(31-2)choose the best answer:
View the Exhibit and examine the structure of the Book table.
The BOOKS table contains details of 100 books.
Examine the commands executed and their outcome:
SQL>INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer',null,null);
1 row created.
SQL>SAVEPOINT A;
Savepoint created.
SQL>DELETE FROM books;
101 rows deleted.
SQL>ROLLBACK TO SAVEPOINT A;
Rollback complete.
SQL>ROLLBACK;
Rollback complete.
Which statement is true?
A) The first rollback restores the 100 rows that were deleted and the second rollback commits only the changes.
B) Both ROLLBACK commands restore the 101 rows that were deleted.
C) The first rollback restores the 101 rows that were deleted and the second rollback causes the row that was inserted to be deleted and commits the changes.
D) Both ROLLBACK commands restore the 100 rows that were deleted.
Answer：C
(解析：答案很简单，考的是回滚操作)
