OCP认证是Oracle非常重要的一个认证,对于11g版本来说,考试科目为071、052、053,对于12c版本来说,考试科目为071、062、063,可见071是个很重要的考试,这里我们收集了近期071考试的原题,分享给大家。
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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)
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