最適な練習法にはOracle 1z0-071問題集で素晴らしい1z0-071試験問題PDF
更新された検証済みの合格させる1z0-071試験リアル問題と解答
Oracle 1z0-071試験は、SQLデータベースに関連する幅広いトピックをカバーしています。この試験は、SQL言語、SQLデータ操作、およびSQLデータ検索に関する候補者の知識をテストするように設計されています。試験は、データベースセキュリティ、データベース設計、およびデータベース管理などのトピックもカバーしています。試験は多肢選択問題で構成されており、候補者は合格するために少なくとも63％のスコアを取得する必要があります。
質問 # 124
View the exhibit and examine the structure of ORDERSand CUSTOMERStables.
Which INSERT statement should be used to add a row into the ORDERStable for the customer whose CUST_LAST_NAMEis Robertsand CREDIT_LIMITis 600? Assume there exists only one row with CUST_LAST_NAME as Roberts and CREDIT_LIMIT as 600.
INSERT INTO (SELECT o.order_id, o.order_date, o.order_mode, c.customer_id,
- A. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &&customer_id, 1000); - B. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &customer_id, 1000);
INSERT INTO orders - C. VALUES (1,'10-mar-2007', 'direct',
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode, - D. o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id AND c.cust_last_name='Roberts' AND
c.credit_limit=600)
VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode,
正解：C
質問 # 125
View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index-organized table. (Choose two.)
Evaluate this SQL statement:
ALTER TABLE emp
DROP COLUMN first_name;
Which two statements are true?
- A. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the CASCADE option is added to the SQL statement.
- B. The FIRST_NAME column would be dropped provided at least one column remains in the table.
- C. The drop of the FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the SQL statement.
- D. The FIRST_NAME column would be dropped provided it does not contain any data.
正解：B
質問 # 126
View the exhibit for the structure of the STUDENTand FACULTYtables.
STUDENT
Name Null? Type
------------------ ------------------- -------------
STUDENT_ID NOT NULL NUMBER(2)
STUDENT_NAME VARCHAR2(20)
FACULTY_ID VARCHAR2(2)
LOCATION_ID NUMBER(2)
FACULTY
Name Null? Type
- ----------------- ------------------- -------------
FACULTY_ID NOT NULL NUMBER(2)
FACULTY_NAME VARCHAR2(20)
LOCATION_ID NUMBER(2)
You need to display the faculty name followed by the number of students handled by the faculty at the base location.
Examine the following two SQL statements:
Statement 1
SQL>SELECT faculty_name, COUNT(student_id)
FROM student JOIN faculty
USING (faculty_id, location_id)
GROUP BY faculty_name;
Statement 2
SQL>SELECT faculty_name, COUNT(student_id)
FROM student NATURAL JOIN faculty
GROUP BY faculty_name;
Which statement is true regarding the outcome?
- A. Both statements 1 and 2 execute successfully and give different results.
- B. Only statement 1 executes successfully and gives the required result.
- C. Both statements 1 and 2 execute successfully and give the same required result.
- D. Only statement 2 executes successfully and gives the required result.
正解：B
質問 # 127
View the Exhibit and examine the description of the ORDERS table. (Choose two.) Which two WHERE clause conditions demonstrate the correct usage of conversion functions?
- A. WHERE Order_date_IN ( TO_DATE('OCT 21 2003', 'MON DD YYYY'), TO_CHAR('NOV
21 2003', 'MON DD YYYY') ) - B. WHERE TO_CHAR(Order_date, 'MON DD YYYY') = 'JAN 20 2003'
- C. WHERE Order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')
- D. WHERE Order_date > ( TO_DATE('JUL 10 2006', 'MON DD YYYY')
正解：B、D
質問 # 128
Which two statements are true about * _ TABLES views?
- A. ALL TABLES displays all tables owned by the current user.
- B. USER_ TABLES displays all tables owned by the current user.
- C. You must have SELECT privileges on a table to view it in USER TABLES.
- D. All users can query DBA TABLES successfully.
- E. You must have SELECT privileges on a table to view it in ALL _TABLES.
- F. You must have SELECT privileges on a table to view it in DBA TABLES.
正解：B、E
質問 # 129
Which two tasks can be performed by using Oracle SQL statements? (Choose two.)
- A. querying data from tables in different databases
- B. starting up a database instance
- C. connecting to a database instance
- D. changing the password for an existing database user
- E. executing operating system (OS) commands in a session
正解：A、D
解説：
Explanation
http://www.techonthenet.com/oracle/password.php
https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm
質問 # 130
View the exhibits and examine the structures of the COSTS and PROMOTIONS tables.
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 highest 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 lowest cost in the same time interval.
正解：C
質問 # 131
The ORDERStable has a primary key constraint on the ORDER_IDcolumn.
The ORDER_ITEMStable has a foreign key constraint on the ORDER_IDcolumn, referencing the primary key of the ORDERStable.
The constraint is defined with ON DELETE CASCADE.
There are rows in the ORDERStable with an ORDER_TOTALof less than 1000.
Which three DELETEstatements execute successfully?
DELETE order_id FROM orders WHERE order_total < 1000;
- A. DELETE FROM orders;
- B.
- C. DELETE * FROM orders WHERE order_total < 1000;
- D. DELETE FROM orders WHERE order_total < 1000;
- E. DELETE orders WHERE order_total < 1000;
正解：B、C、E
質問 # 132
Examine the description of the PRODUCT_ DETAILS table:
Which two statements are true?
- A. PRODUCT_ NAME cannot contain duplicate values.
- B. PRODUCT_ PRICE contains the value zero by default if no value is assigned to it.
- C. EXPIRY_ DATE contains the SYSDATE by default if no date is assigned to it.
- D. PRODUCT_ ID can be assigned the PRIMARY KEY constraint.
- E. PRODUCT_ PRICE can be used in an arithmetic expression even if it has no value stored in it.
- F. EXPIRY_ DATE cannot be used in arithmetic expressions.
正解：D、E
質問 # 133
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1,
Some sales data is duplicated In both tables.
You want to display the rows from the SALES1 table which are not present in the SALIES2 table.
Which set operator generates the required output?
- A. INTERSECT
- B. MINUS
- C. UNION
- D. UNION ALL
- E. SUBTRACT
正解：B
質問 # 134
Which two statements are true about views?
- A. The with check clause prevents certain rows from being displayed when querying the view.
- B. Views can be updated without the need to re-grant privileges on the view.
- C. Tables in the defining query of a view must always exist in order to create the view.
- D. Views can be indexed.
- E. The with check clause prevents certain rows from being updated or inserted in the underlying table through the view.
正解：B、E
質問 # 135
Examine this SELECT statement and view the Exhibit to see its output:
SELECT constraints_name, constraints_type, search_condition, r_constraint_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS'; Which two statements are true about the output? (Choose two.)
- A. The DELETE_RULE column indicates the desired state of related rows in the child table when the corresponding row is deleted from the parent table.
- B. In the second column, 'c' indicates a check constraint.
- C. The R_CONSTRAINT_NAME column contains an alternative name for the constraint.
- D. The STATUS column indicates whether the table is currently in use.
正解：A、B
質問 # 136
View the exhibit for the structure of the STUDENT and FACULTY tables.
You need to display the faculty name followed by the number of students handled by the faculty at the base location.
Examine the following two SQL statements:
Statement 1
SQL>SELECT faculty_name, COUNT(student_id)
FROM student JOIN faculty
USING (faculty_id, location_id)
GROUP BY faculty_name;
Statement 2
SQL>SELECT faculty_name, COUNT(student_id)
FROM student NATURAL JOIN faculty
GROUP BY faculty_name;
Which statement is true regarding the outcome?
- A. Both statements 1 and 2 execute successfully and give different results.
- B. Only statement 1 executes successfully and gives the required result.
- C. Both statements 1 and 2 execute successfully and give the same required result.
- D. Only statement 2 executes successfully and gives the required result.
正解：B
質問 # 137
View the Exhibit and examine the data in EMP and DEPT tables.
In the DEPT table, DEPTNO is the PRIMARY KEY.
In the EMP table, EMPNO is the PRIMARY KEY and DEPTNO is the FOREIGN KEY referencing the DEPTNO column in the DEPT table.
What would be the outcome of the following statements executed in the given sequence?
DROP TABLE emp;
FLASHBACK TABLE emp TO BEFORE DROP;
INSERT INTO emp VALUES (2, 'SCOTT', 10);
INSERT INTO emp VALUES (3, 'KING', 55);
- A. Only the SECOND INSERT statement would succeed because all the constraints except referential integrity constraints that reference other tables are retrieved automatically after the table is flashed back.
- B. Both the INSERT statements would succeed because none of the constraints on the table are automatically retrieved when the table is flashed back.
- C. Both the INSERT statements would fail because the constraints are automatically retrieved when the table is flashed back.
- D. Only the first INSERT statement would succeed because all constraints except the primary key constraint are automatically retrieved after a table is flashed back.
正解：A
質問 # 138
Which two statements are true about Data Manipulation Language (DML) statements? (Choose two.)
- A. An INSERT INTO... VALUES..... statement can add a single row based on multiple conditions on a table.
- B. A DELETE FROM..... statement can remove multiple rows based on multiple conditions on a table.
- C. An UPDATE....SET.... statement can modify multiple rows based on only a single condition on a table.
- D. An INSERT INTO...VALUES.. statement can add multiple rows per execution to a table.
- E. A DELETE FROM..... statement can remove rows based on only a single condition on a table.
- F. An UPDATE... SET... statement can modify multiple rows based on multiple conditions on a table.
正解：B、F
解説：
http://www.techonthenet.com/sql/and_or.php
質問 # 139
Examine the structure of the EMPLOYEES table.
You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output? (Choose two.)
- A. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365)GROUP BY maxsal, minsal;
- B. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary));
- C. SELECT MIN(Salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);
- D. SELECT MIN(Salary), MAX(salary)FROM (SELECT salary FROMemployeesWHERE hire_date < SYSDATE-365);
正解：A、D
質問 # 140
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Oracle 1z0-071試験は、SQL言語の基礎、データの取得、操作、および制御、およびデータベーススキーマオブジェクトなど、さまざまなトピックをカバーしています。この試験は、SQLプログラミングコンセプトの知識とそれらを実世界の状況に適用する能力をテストする多肢選択問題で構成されています。また、SQLを使用して複雑な問題を解決する能力をテストする実践演習も含まれています。
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