Free Access Oracle.1z0-071.v2022-02-20.q161 Practice Test (Page 9)

Question 36

Which two statements are true about current_timestamp?

A.The value varies depending on the setting of SESSIONTIMEZONE.

B.It always returns the same value as SYSTIMESTAMP.

C.The time is In the time zone of DBTIMEZONE.

D.It returns the same date as CURRENT_date.

E.The date Is In the time zone of DBTIMEZONE.

F.It returns a value of data type timestamp.

Question 37

Which three statements are true about views in an Oracle Database? (Choose three.)

A.Views can join tables only if they belong to the same schema.

B.A view can be created that refers to a non-existent table in its defining query.

C.Views have no object number.

D.Views have no segment.

E.Rows inserted into a table using a view are retained in the table if the view is dropped.

F.A SELECT statement cannot contain a WHERE clause when querying a view containing a WHEREclause in its defining query.

Question 38

Which two are true about the data dictionary? (Choose two.)

A.The SYSuser owns all base tables and user-accessible views in the data dictionary.

B.All users have permissions to access all information in the data dictionary by default.

C.The data dictionary is constantly updated to reflect changes to database objects, permissions, and data.

D.All user actions are recorded in the data dictionary.

E.Base tables in the data dictionary have the prefix DBA_.

Question 39

Examine the commands used to create the DEPARTMENT_DETAILS and the COURSE-DETAILS tables:
SQL> CREATE TABLE DEPARTMfiNT_DETAILS
DEPARTMENT_ID NUMBER PRIMARY KEY ,
DEPARTMEHT_NAME VARCHAR2(50) ,
HOD VARCHAP2(50));
SQL> CREATE TABLE COURSE-DETAILS
(COURSE ID NUMBER PRIMARY KEY ,
COURS_NAME VARCHAR2 (50) ,
DEPARTMEHT_ID NUMBER REFERENCES DEPARTMENT_DETAIL
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?

A.SELECT d.department_id, c. course_id FROM dapartment_details d RIGHT OUTER JOIN course_dotails c ON (c.depattnient_id=d.department_id) ;

B.SELECT d.departranc_id, c.cours<<_id FROM cource_deatils c LEFT OUTER JOIN departmnt_details d ON (c.dapartmsnt_id=d.departtnent_id);

C.SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department___id).- (DEPARTMENT_ID) ;

D.SELECT d.department id. ccours_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id);

Question 40

Which two statements are true regarding roles? (Choose two.)

A.A role can be granted to itself.

B.A role can be granted to PUBLIC.

C.A user can be granted only one role at any point of time.

D.The REVOKEcommand can be used to remove privileges but not roles from other users.

E.Roles are named groups of related privileges that can be granted to users or other roles.

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Question 36

Question 37

Question 38

Question 39

Question 40

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