1Z0-082 Practice Online

Question 1

Which statement is true about aggregate functions?

A : Aggregate functions can be nested to any number of levels

B : The AVG function implicitly converts NULLS to zero

C : Aggregate functions can be used in any clause of a SELECT statement

D : The MAX and MIN functions can be used on columns with character data types

Answer: D

Question 2

View the Exhibit and examine the description of the tables.

You execute this SQL statement:

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Which three statements are true?

A : The statement will fall if a row already exists in the sales table for product 23.

B : The sales table has five foreign keys.

C : A product can have a different unit price at different times.

D : A customer can exist in many countries.

E : The statement will execute successfully and a new row will be inserted into the sales table.

F : The statement will fail because a subquery may not be contained in a values clause.

Answer: A,B,C

Question 3

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

A : MOD : returns the quotient of a division operation

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 : CEIL : can be used for positive and negative numbers

Answer: A,C

Question 4

Which three statements are true about roles?

A : All roles granted to a user are set on by default when the user logs in,

B : Object privileges may not be granted to roles.

C : The SET ROLE statement can disable one or more roles for a session.

D : Roles must be password protected.

E : Roles may be granted to roles.

F : The SET ROLE statement can enable one or more roles for a session.

Answer: A,B,C

Question 5

Examine this SQL statement:

SELECT cust_id, cust_last_name ''Last Name''

FROM customers

WHERE country_id = 10

UNION

SELECT cust_id CUST_NO, cust_last_name

FROM customers

WHERE country_id = 30

Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)

A : ORDER BY ''Last Name''

B : ORDER BY 2, 1

C : ORDER BY 2, cust_id

D : ORDER BY CUST_NO

E : ORDER BY ''CUST_NO''

Answer: B,C,D

Name:	Oracle Database Administration I
Exam Code:	1Z0-082
Certification:	Oracle Database
Vendor:	Oracle
Total Questions:	144
Last Updated:	Apr 23, 2024

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