A．异烟肼 B．氨苯砜 C．利福平 D．乙胺丁醇 E．链霉素

A. CREATIVE USER susan;

B. CREATIVE OR REPLACE USER susan;

C. CREATE NEW USER susan DEFAULT

D. CREATE USER susan IDENTIFIED BY blue;

E. CREATE NEW USER susan IDENTIFIED BY blue;

F. CREATE OR REPLACE USER susan IDENTIFIED BY blue;

A.Compilation fails.

B.Nothing is added to the file system.

C.Only a new file is created on the file system.

D.Only a new directory is created on the file system.

E.Both a new file and a new directory are created on the file system.

Given the following code fragment:

1)public void create() {

2) Vector myVect;

3) myVect = new Vector() ;

4) }

Which of the following statements are true？

A．The declaration on line 2 does not allocate memory space for the variable myVect

B．The declaration on line 2 allocates memory space for a reference to a Vector object

C．The statement on line 2 creates an object of class Vector

D．The statement on line 3 creates an object of class Vector

E．The statement on line 3 allocates memory space for an object of class Vector

;The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION;The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table？（）

A. Alice only

B. Alice and Reena

C. Alice, Reena, and Timber

D. Sue, Alice, Reena, and Timber

; The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table？（）

A. Alice only

B. Alice and Reena

C. Alice, Reena, and Timber

D. Sue, Alice, Reena, and Timber

A．user

B．read_only

C．target_operator

D．security_operator

Which of the following statement is NOT a way of presenting new vocabulary？

A. Writing a passage by using new words.

B. Defining.

C. Giving explanations.

D. Using real objects.

A. The job is enabled by default after creation

B. The job is automatically dropped after the end date

C. The job executes with the privileges of the user SYS

D.

A.Compilation fails.

B.The file system has a new empty directory named dir.

C.The file system has a new empty directory named newDir.

D.The file system has a directory named dir, containing a file f1.txt.

E.The file system has a directory named newDir, containing a file f1.txt.

Which statement is true about the Castello Plan？

A．It is a map of New Amsterdam.

B．It was made in 1616.

C．It gives a description of the history of New Amsterdam.

D．It is a map of New York.