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提问人:网友zhshgap 发布时间:2022-01-07
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Which statement creates a new user?()

A. CREATE USER susan;

B. CREATE OR REPLACE USER susan;

C. CREATE NEW USER susan DEFAULT;

D. CREATE USER susan IDENTIFIED BY blue;

E. CREATE NEW USER susanIDENTIFIED by blue;

F. CREATE OR REPLACE USER susan IDENTIFIED BY blue;

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第1题
The user Sue issues this SQL statement:GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION
;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

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第2题
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D.It is a map of New York.

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第3题
According to the passage, which of the following statement is NOT true?A.While the Global

According to the passage, which of the following statement is NOT true?

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第4题
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第5题
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Which statement can be the best title for this article?

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第6题
The following command is executed to create the baseline template:Which statement is true about the effect of the above command?()

A. It creates a baseline template that never expires.

B. It produces an error because no snapshot information is provided to create the baseline.

C. It creates a baseline template that expires after the Automatic Workload Repository (AWR) retention period.

D. It creates a repeating baseline template that repeats after the Automatic Workload Repository (AWR) retention period.

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第7题
WhichtwocodefragmentsaremostlikelytocauseaStackOverflowError?()

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第8题
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B. SELECT employee_id, department_id, department_name, salary FROM employees NATURAL JOIN departments;

C. SELECT employee_id, d.department_id, department_name, salary FROM employees e JOIN departments d ON e.department _ id = d. department_id;

D. SELECT employee_id, department_id, department_name, Salary FROM employees JOIN departments USING (e.department_id, d.department_id);

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第9题
The EMP table contains these columns:LAST NAME VARCHAR2(25)SALARY NUMBER(6,2)DEPARTMENT_ID NUMBER(6)You need to display the employees who have not been assigned to any department.You write the SELECT statement:SELECT LAST_NAME, SALARY, DEPARTMENT_IDFROM EMPWHERE DEPARMENT_ID = NULL;What is true about this SQL statement?()

A. The SQL statement displays the desired results.

B. The column in the WHERE clause should be changed to display the desired results.

C. The operator in the WHERE clause should be changed to display the desired results.

D. The WHERE clause should be changed to use an outer join to display the desired results.

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