Free Access Oracle.1z0-071.v2022-09-21.q298 Practice Test (Page 46)

Question 221

Examine the description of the EMPLOYEEStable:

Which query is valid?

A.SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;

B.SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id,
join_date;

C.SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;

D.SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;

Question 222

Which two are true about the WITH GRANT OPTION clause?

A.The grantee can grant the object privilege to any user in the database, with of without including this option.

B.It can be used for system and object privileges.

C.It can be used to pass on privileges to other users by the grantee.

D.It cannot be used to pass on privileges to PUBLIC by the grantee.

E.It can be used when granting privileges to roles.

F.The grantee must have the GRANT ANY OBJECT PRIVILEGE system prvilege to use this option.

Question 223

Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.

Which set operator generates the required output?
INTERSECT

A.UNION

B.PLUS

C.MINUS

D.SUBTRACT

Question 224

Which two statements are true about single-row functions? (Choose two.)

A.CEIL: can be used for positive and negative numbers

B.FLOOR: returns the smallest integer greater than or equal to a specified number

C.TRUNC: can be used with NUMBER and DATE values

D.CONCAT: can be used to combine any number of values

E.MOD: returns the quotient of a division operation

Question 225

Which three are key components of an Entity Relationship Model? (Choose three.)

A.an activity

B.a table

C.a relationship

D.an attribute

E.a unique identifier

F.an entity

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Question 221

Question 222

Question 223

Question 224

Question 225

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