Oracle 1z0-071 問題集

質問 1：
Which two are true about the WITH GRANT OPTION clause?
A. It can be used when granting privileges to roles.
B. The grantee must have the GRANT ANY OBJECT PRIVILEGE system prvilege to use this option.
C. The grantee can grant the object privilege to any user in the database, with of without including this option.
D. It can be used to pass on privileges to other users by the grantee.
E. It can be used for system and object privileges.
F. It cannot be used to pass on privileges to PUBLIC by the grantee.
正解：D,F
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Table ORDER_ITEMS contains columns ORDER_ID, UNIT_PRICE and QUANTITY, of data type NUMBER Statement 1:
SELECT MAX (unit price*quantity) "Maximum Order FROM order items;
Statement 2:
SELECT MAX (unit price*quantity "Maximum order" FROM order items GROUP BY order id; Which two statements are true?
A. Statement 2 may return multiple rows of output.
B. Both the statement given the same output.
C. Both statements will return NULL if either UNIT PRICE or QUANTITY contains NULL,
D. Statement 1 returns only one row of output.
E. Statement 2 returns only one row of output.
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Examine this SQL statement:
DELETE FROM employees e
WHERE EXISTS
(SELECT'dummy'
FROM emp_history
WHERE employee_id = e.employee_id)
Which two are true?
A. All existing rows in the EMPLOYEE table are deleted.
B. The DELETE statement executes successfully even if the subquery selects multiple rows.
C. The subquery is not a correlated subquery.
D. The subquery is executed for every row in the EMPLOYEES table.
E. The subquery is executed before the DELETE statement is executed.
正解：B,D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which three statements are true about GLOBAL TEMPORARY TABLES?
A. A TRUNCATE command issued in a session causes all rows In a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
C. A GLOBAL TEMPORARY TABLE's definition is available to multiple sessions.
D. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
E. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
F. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
正解：A,C,F
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which three statements about roles are true?
A. A single role can be assigned to multiple users.
B. Privileges are assigned to a role using the GRANT statement.
C. A single user can be assigned multiple roles
D. Roles are assigned to users using the ALTER USER statement
E. Privileges are assigned to a role using the ALTER ROLE statement.
F. Roles are assigned to roles using the ALTER ROLE Statement
G. A role is a named group of related privileges that can only be assigned to a user
正解：A,B,C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
In the PROMOTIONS table, the PROMO_BEGTN_DATE column is of data type DATE and the default date format is DD-MON-RR.
Which two statements are true about expressions using PROMO_BEGIN_DATE contained in a query?
A. TO_DATE(PROMO_BEGIN_DATE * 5) will return a date
B. PROMO_BEGIN_DATE-5 will return a date.
C. PROMO_BEGIN_DATE-SYSDATE will return an error.
D. TO_NUMBER(PROMO_BEGIN_DATE)-5 will return number
E. PROMO_BEGIN_DATE-SYSDATE will return a number.
正解：B,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Examine the description of the PROMOTIONS TABLE:
You want to display the unique is promotion costs in each promotion category.
Which two queries can be used?
A. SELECT promo_category, DISTINCT promo_cost FROM promotiong ORDER BY 2:
B. SELECT promo_cost, promo_category FROM promotions ORDER BY 1
C. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
D. select DISTINCT promo_categoryIl 'has'||promol_cost as COSTS FROM promotions ORDER BY 1:
E. SELECT DISTINCT promo_cost ||'in'IIDISTINCT promo_category promotions ORDER BY1:
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 8：
Which statement is true about aggregate functions?
A. Aggregate functions can be nested to any number of levels
B. The MAX and MIN functions can be used on columns with character data types
C. The AVG function implicitly converts NULLS to zero
D. Aggregate functions can be used in any clause of a SELECT statement
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 9：
Examine the description of the CUSTOMERS table:

Which three statements will do an implicit conversion?
A. SELECT FROM customers WHERE insert date = '01-JAN-19';
B. SELECT * FROM customers WHERE customer_ id = 0001;
C. SELECT. FROM customers WHERE insert_ date = DATE *2019-01-01';
D. SELECT. FRON customers WE TO DATE (Insert _ date) = DATE '2019-01-01';
E. SELECT * FROM customers WHERE customer id = '0001';
F. SELECT * FROM customers WHERE TO_ CHAR (customer_ id) = '0001';
正解：A,C,E
解説: (Topexam メンバーにのみ表示されます)