OCP的071考试难考?以前确实不容易通过,但现在我们对071考试题库进行了收集整理,并给出了答案,已经帮助很多考生顺利通过了071考试。
--------------------------------------------
9.choose two
The SQL statements executed in a user session are as follows:
SQL> CREATE TABLE product
(pcode NUMBER(2),
pname VARCHAR2(10));
SQL> INSERT INTO product VALUES (1, 'pen');
SQL> INSERT INTO product VALUES (2,'pencil');
SQL> SAVEPOINT a;
SQL> UPDATE product SET pcode = 10 WHERE pcode = 1;
SQL> SAVEPOINT b;
SQL> DELETE FROM product WHERE pcode = 2;
SQL> COMMIT;
SQL> DELETE FROM product WHERE pcode=10;
SQL> ROLLBACK TO SAVEPOINT a;
Which two statements describe the consequences of issuing the ROLLBACK TO SAVE POINT a command in the session?
A) Only the second DELETE statement is rolled back.
B) No SQL statements are rolled back.
C) Both the DELETE statements and the UPDATE statement are rolled back.
D) The rollback generates an error.
E) Only the DELETE statements are rolled back.
Answer:BD
(因为 commit 操作,前面所有的保存点都结束)
--------------------------------------------
OCP解析公开课时间:【每周五晚8点】
OCP解析公开课地址:https://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