[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 3)

1z0-071 試験問題 6

You want to display 5 percent of the rows from the SALES table for products with the lowest AMOUNT_SOLD and also want to include the rows that have the same AMOUNT_SOLD even if this causes the output to exceed 5 percent of the rows.
Which query will provide the required result?

A. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES;

B. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY WITH TIES;

C. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY;

D. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES ONLY;

1z0-071 試験問題 7

Which statement is true regarding the USINGclause in table joins? (Choose two.)

A. It can be used to join a maximum of three tables.

B. It can be used to restrict the number of columns used in a NATURALjoin.

C. It can be used to access data from tables through equijoins as well as nonequijoins.

D. It can be used to join tables that have columns with the same name and compatible data types.

1z0-071 試験問題 8

Which three statements are true regarding single row subqueries?

A. They must be placed on the left side of the comparison operator or condition.

B. A SQL statement may have multiple single row subquery blocks.

C. They must return a row to prevent errors in the SQL statement.

D. They can be used in the clause.

E. They can be used in the HAVING clause.

F. They must be placed on the right side of the comparison operator or condition.

1z0-071 試験問題 9

You must write a query that prompts users for column names and conditions every time it is executed.
The user must be prompted only once for the table name.
Which statement achieves those objectives?

A. SELECT &col1, '&col2'
FROM &table
WHERE &&condition = '&cond';

B. SELECT &col1, &col2
FROM &&table
WHERE &condition = &&cond

C. SELECT &col1, &col2
FROM &&table
WHERE &condition = &cond;

D. SELECT &col1, &col2
FROM "&table"
WHERE &condition = &cond;

1z0-071 試験問題 10

EMPLOYEES テーブルの説明を調べます。

マネージャーが別の部門で働いている従業員に関する行を返す 2 つのクエリはどれですか?

A. 従業員の選択*
社員から
存在しないところ (
NULL を選択
従業員マネージャーより
WHERE emp.manager id = mgr.employee_id
かつ emp.Department_id<>mgr.Department_id
);

B. 従業員の選択*
社員から
LEFT JOIN 従業員マネージャー
ON emp.manager_ id = mgr.employee_ id
そして従業員。部門 ID < > マネージャー。部門ID;

C. 従業員を選択します。*
社員から
JOIN 従業員マネージャー
オン従業員数マネージャー ID = マネージャー。従業員ID
ND従業員。部門 ID<> マネージャー.部門 ID;

D. 従業員を選択します。*
社員から
WHERE manager_ id が入っていない (
SELECT マネージャー.従業員 ID
従業員マネージャーより
どこで従業員。部門 ID < > マネージャー部門 ID
);

E. 従業員を選択します。*
社員から
RIGHT JOIN 従業員マネージャー
ON emp.manager_id = マネージャー。従業員ID
そして従業員。部門 ID <> mgr.Department_ ID
どこでemp。従業員 ID は NULL ではありません。

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