[2024-06-24更新,250問] 無料Oracle 1z0-071試験問題集、1z0-071予想試験(ページ 41)

1z0-071 試験問題 196

View the Exhibit and examine, the description for the SALES and CHANNELS tables.
(Choose the best answer.)
You issued this SQL statement:
INSERT INTO SALES VALUES (23, 2300, SYSDATE,
(SELECT CAHNNEL_ID
FROM CHANNELS
WHERE CHANNEL_DESC='DIRECT SALES'), 12, 1, 500);
Which statement is true regarding the result?

A. The statement will execute and a new row will be inserted in the SALES table.

B. The statement will fail because the VALUES clause is not required with the subquery.

C. The statement will fail because a subquery cannot be used in a VALUES clause.

D. The statement will fail because the sub-query in the VALUES clause is not enclosed within single quotation marks.

1z0-071 試験問題 197

No-user-defined locks are used in your database.
Which three are true about Transaction Control Language (TCL)?

A. COMMITerases all the transaction's savepoints and releases its locks.

B. ROLLBACK TO SAVEPOINT undoes the transaction's changes made since the named savepoint and then ends the transaction.

C. COMMITends the transaction and makes all its changes permanent.

D. ROLLBACKwithout the TO SAVEPOINT clause undoes all the transaction's changes but does not erase its savepoints.

E. ROLLBACKwithout the TO SAVEPOINT clause undoes all the transaction's changes but does not release its locks.

F. ROLLBACKwithout the TO SAVEPOINT clause undoes all the transaction's changes, releases its locks and erases its savepoints.

1z0-071 試験問題 198

You issued this command:
SQL > DROP TABLE employees;
Which three statements are true? (Choose three.)

A. The space used by the EMPLOYEES table is always reclaimed immediately.

B. Sequences used in the EMPLOYEES table become invalid.

C. All indexes and constraints defined on the table being dropped are also dropped.

D. The EMPLOYEES table can be recovered using the ROLLBACK command.

E. The EMPLOYEES table may be moved to the recycle bin.

F. If there is an uncommitted transaction in the session, it is committed.

1z0-071 試験問題 199

View the exhibit and examine the structure of the CUSTOMERS table.
Which two tasks would require subqueries or joins to be executed in a single statement?

A. finding the number of customers, in each city, who's marital status is 'married'.

B. finding the average credit limit of male customers residing in 'Tokyo' or 'Sydney'

C. listing of customers who do not have a credit limit and were born before 1980

D. finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers

E. listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city 'Tokyo'.

1z0-071 試験問題 200

Examine the structure of the BOOKS_TRANSACTIONS table:

Examine the SQL statement:

Which statement is true about the outcome?

A. It displays details for members who have borrowed before today's date with either RM as TRANSACTION_TYPEor MEMBER_IDas A101 and A102.

B. It displays details for members who have borrowed before today with RM as TRANSACTION_TYPEand the details for members A101 or A102.

C. It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.

D. It displays details for only members A101 and A102 who have borrowed before today with RM TRANSACTION_TYPE.

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1z0-071 試験問題 196

1z0-071 試験問題 197

1z0-071 試験問題 198

1z0-071 試験問題 199

1z0-071 試験問題 200

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