Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 28)

Question 131

Examine the structure of the MEMBERS table: (Choose the best answer.)
Examine the SQL statement:
SQL > SELECT city, last_name LNAME FROM MEMBERS ORDER BY 1, LNAME DESC; What would be the result execution?

A.It displays all cities in descending order, within which the last names are further sorted in descending order.

B.It fails because a column number and a column alias cannot be used together in the ORDER BY clause.

C.It fails because a column alias cannot be used in the ORDER BY clause.

D.It displays all cities in ascending order, within which the last names are further sorted in descending order.

Question 132

View and Exhibit and examine the structure and data in the INVOICE table.

Which two statements are true regarding data type conversion in query expressions? (Choose two.)

A.inv_amt = '0255982' : requires explicit conversion

B.inv_no BETWEEN '101' AND '110' : uses implicit conversion

C.inv_date = '15-february-2008' :uses implicit conversion

D.inv_date > '01-02-2008' : uses implicit conversion

E.CONCAT(inv_amt, inv_date) : requires explicit conversion

Question 133

Which two statements are true about Oracle synonyms?

A.A synonym has an object number.

B.A synonym can have a synonym.

C.Any user can create a PUBLIC synonym.

D.All private synonym names must be unique in the database.

E.A synonym can be created on an object in a package.

Question 134

Examine the structure of the CUSTOMERS table: (Choose two.)

CUSTNO is the PRIMARY KEY.
You must determine if any customers' details have been entered more than once using a different CUSTNO, by listing all duplicate names.
Which two methods can you use to get the required result?

A.Self-join

B.Right outer-join with self-join

C.Full outer-join with self-join

D.Subquery

E.Left outer-join with self-join

Question 135

In which three situations does a new transaction always start? (Choose three.)

A.when issuing a TRUNCATEstatement after a SELECT statement was issued in the same session

B.when issuing a CREATE INDEXstatement after a CREATE TABLEstatement completed successfully in the same session

C.when issuing a CREATE TABLEstatement after a SELECTstatement was issued in the same session

D.when issuing the first Data Manipulation Language (DML) statement after a COMMIT or ROLLBACK statement was issued in the same session

E.when issuing a DML statement after a DML statement failed in the same session

F.when issuing a SELECT FOR UPDATEstatement after a CREATE TABLE AS SELECTstatement was issued in the same session

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