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Oracle Updated 1z0-071 Exam Questions and Answers by leena

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Oracle 1z0-071 Exam Overview :

Exam Name: Oracle Database 12c SQL
Exam Code: 1z0-071 Dumps
Vendor: Oracle Certification: Oracle PL
Questions: 326 Q&A's Shared By: leena
Question 92

Questions 92

Which three statements are true?

Options:

A.

The COMMISSION column can contain negative values .

B.

The MANAGER column is a foreign key referencing the EMPNO column.

C.

The SALARY column must have a value .

D.

An index is created automatically in the MANAGER column.

E.

The DEPTNO column in the EMP table can contain the value 1.

F.

The DEPTNO column in the EMP table can contain NULLS .

G.

The DNAME column has a unique constraint.

Discussion
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Question 93

Examine these statements:

CREATE TABLE alter_test (c1 VARCHAR2(10), c2 NUMBER(10));

INSERT INTO alter_test VALUES ('123', 123);

COMMIT;

Which is true ahout modifyIng the columns in AITER_TEST?

Options:

A.

c1 can be changed to NUMBER(10) and c2 can be changed to VARCHAN2 (10).

B.

c2 can be changed to NUMBER(5) but c1 cannot be changed to VARCHAN2 (5).

C.

c2 can be changed to VARCHAR2(10) but c1 cannot be changed to NUMBER (10).

D.

c1 can be changed to NUMBER(10) but c2 cannot be changed to VARCHAN2 (10).

E.

c1 can be changed to VARCHAR2(5) and c2 can be changed to NUMBER (12,2).

Discussion
Question 94

Which three are true?

Options:

A.

LAST_DAY returns the date of the last day of the current ,month onlyu.

B.

CEIL requires an argument which is a numeric data type.

C.

ADD_MONTHS adds a number of calendar months to a date.

D.

ADD_MONTHS works with a character string that can be implicitlyt converted to a DATE data type.

E.

LAST_DAY return the date of the last day the previous month only.

F.

CEIL returns the largest integer less than or equal to a specified number.

G.

LAST_DAY returns the date of the last day of the month for the date argument passed to the function.

Discussion
Question 95

Examine the description of the MEMBERS table;

SELECT city,last_name LNAME FROM members …

You want to display all cities that contain the string AN. The cities must be returned in ascending order, with the last names further sorted in descending order.

Which two clauses must you add to the query?

Options:

A.

ORDER BY 1,2.

B.

ORDER BY last_name DESC,city ASC

C.

CORADER BY 1, LNAME DESC

D.

WHERE city=’%AN%;

E.

WHERE city LIKE ’%AN%;

F.

WHERE city IN (’%AN%’)

Discussion
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