37.USER1 grants SELECT, INSERT, and UPDATE privileges on USER1. EMP to USER2. SYS executes this command: SQL> REVOKE UPDATE ON user1.emp FROM user1; What will be the outcome? A) It will succeed and only USER2 will be unable to perform SELECT,INSERT,…
36.Which two are true about roles? A) A role can be granted a combination of system and object privileges and other roles. B) The CONNECT role Is granted automatically to a user when It Is created. C) Roles are owned by SYSTEM. D) The RESOURCE role I…
27.Examine these facts about a database: 1. USERS is the database default tablespace. 2. USER1, USER2, AND USER3 have the CREATE SESSION privilege. 3. They also have UNLIMITED QUOTA on the default tablespace USERS. 4. They have no other privileges. E…
10:简单密码 描述 Julius Caesar曾经使用过一种很简单的密码.对于明文中的每个字符,将它用它字母表中后5位对应的字符来代替,这样就得到了密文.比如字符A用F来代替.如下是密文和明文中字符的对应关系. 密文A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 明文V W X Y Z A B C D E F G H I J K L M N O P Q R S T U 你的任务是对给定的密文进行解密得到明文. 你需要注意的是,密文中出现的…
[OCP|052]OCP最新题库解析(052)--小麦苗解答版 OCP最新题库解析历史连接(052):http://mp.weixin.qq.com/s/bUgn4-uciSndji_pUbLZfA ⊙ [OCP最新题库解析(052)--题3]Which two are true about external tables?⊙ [OCP最新题库解析(052)--题2]...is true about FAST_START_MTTR_TARGET⊙ [OCP最新题库解析(052)--题1]Whic…
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…