Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 45)

Question 216

The PRODUCTStable has the following structure.

Evaluate the following two SQL statements:
SQL>SELECT prod_id, NVL2 (prod_expiry_date, prod_expiry_date + 15, ' ') FROM products; SQL>SELECT prod_id, NVL (prod_expiry_date, prod_expiry_date + 15) FROM products; Which statement is true regarding the outcome?

A.Both the statements execute and give different results

B.Only the second SQL statement executes successfully

C.Both the statements execute and give the same result

D.Only the first SQL statement executes successfully

Question 217

Which statement is true regarding external tables?

A.The default REJECT LIMIT for external tables is UNLIMITED.

B.The data and metadata for an external table are stored outside the database.

C.ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.

D.The CREATE TABLE AS SELECT statement can be used to unload data into regular table in the database from an external table.

Question 218

Examine the structure proposed for the TRANSACTIONStable:

Which two statements are true regarding the storage of data in the above table structure? (Choose two.)

A.The CUST_CREDIT_VALUEcolumn would allow storage of positive and negative integers.

B.The TRANS_DATEcolumn would allow storage of dates only in the dd-mon-yyyy format.

C.The CUST_STATUScolumn would allow storage of data up to the maximum VARCHAR2size of 4,000 characters.

D.The TRANS_VALIDITYcolumn would allow storage of a time interval in days, hours, minutes, and seconds.

Question 219

Examine the structure of the BOOKS_TRANSACTIONS table:

You want to display the member IDs, due date, and late fee as $2 for all transactions.
Which SQL statement must you execute?

A.SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", '$2' AS "LATE FEE" FROM BOOKS_TRANSACTIONS;

B.SELECT member_id AS MEMBER_ID, due_date AS DUE_DATE, $2 AS LATE_FEE
FROM BOOKS_TRANSACTIONS;

C.SELECT member_id 'MEMBER ID', due_date 'DUE DATE', '$2 AS LATE FEE' FROM BOOKS_TRANSACTIONS;

D.SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", $2 AS "LATE FEE" FROM BOOKS_TRANSACTIONS;

Question 220

View the exhibits and examine the structures of the COSTSand PROMOTIONStables.

Evaluate the following SQL statement:

What would be the outcome of the above SQL statement?

A.It displays prod IDs in the promo with the lowest cost.

B.It displays prod IDs in the promos with the lowest cost in the same time interval.

C.It displays prod IDs in the promos which cost less than the highest cost in the same time interval.

D.It displays prod IDs in the promos with the highest cost in the same time interval.

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Question 216

Question 217

Question 218

Question 219

Question 220

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