1Z0-007の無料問題集（110題）、1Z0-007認定試験参考書

Oracle 1Z0-007 問題集

試験コード：1Z0-007

試験名称：Introduction to Oracle9i: SQL

最近更新時間：2025-01-18

問題と解答：全110問

1Z0-007 無料でデモをダウンロード：

PDF版 Demo ソフト版 Demo オンライン版 Demo

無料問題集1Z0-007 資格取得

質問 1：
A SELECT statement can be used to perform these three functions:
1.Choose rows from a table.
2.Choose columns from a table
3.Bring together data that is stored in different tables by creating a link between them.
Which set of keywords describes these capabilities?
A. selection, intersection, join
B. difference, projection, join
C. difference, projection, product
D. selection, projection, join
E. intersection, projection, join
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which statement creates a new user?
A. CREATE OR REPLACE USER susan;
B. CREATE OR REPLACE USER susan IDENTIFIED BY blue;
C. CREATE NEW USER susan DEFAULT;
D. CREATE NEW USER susan IDENTIFIED by blue;
E. CREATE USER susan IDENTIFIED BY blue;
F. CREATE USER susan;
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Examine the structure of the STUDENTS table:

You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.
Which SQL statement accomplishes this task?
A. SELECT student_id, marks, ROWNUM "Rank"
FROM (SELECT student_id, marks
FROM students
ORDER BY marks DESC)
WHERE ROWNUM <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99'
AND course_id = 'INT_SQL';
B. SELECT student_id, marks, ROWID "Rank"
FROM students
WHERE ROWID <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99'
AND course_id = 'INT_SQL'
ORDER BY marks;
C. SELECT student_ id, marks, ROWNUM "Rank"
FROM students
WHERE ROWNUM <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99'
AND course_id = 'INT_SQL'
ORDER BY marks DESC;
D. SELECT student_id, marks, ROWNUM "Rank"
FROM (SELECT student_id, marks
FROM students
WHERE ROWNUM <= 10
AND finish_date BETWEEN '01-JAN-99' AND
'31-DEC-99'
AND course_id = 'INT_SQL'
ORDER BY marks DESC);
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which four are valid Oracle constraint types? (Choose four.)
A. PRIMARY KEY
B. NONUNIQUE
C. NOT NULL
D. UNIQUE
E. CHECK
F. CONSTANT
G. CASCADE
正解：A,C,D,E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Evaluate this SQL statement:
SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME
FROM EMP e, DEPARTMENT d
WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;
In the statement, which capabilities of a SELECT statement are performed?
A. Selection, intersection, join
B. Difference, projection, product
C. Selection, projection, join
D. Intersection, projection, join
E. Difference, projection, join
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database.
Which SQL statement can Mary use to accomplish that task?
A. CREATE PUBLIC SYNONYM EDL_VU FOR emp_dept_loc_vu;
B. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
C. CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
D. CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu;
E. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu;
F. CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;
正解：A
解説: (Topexam メンバーにのみ表示されます)

弊社は無料Oracle 1Z0-007サンプルを提供します

お客様は問題集を購入する時、問題集の質量を心配するかもしれませんが、我々はこのことを解決するために、お客様に無料1Z0-007サンプルを提供いたします。そうすると、お客様は購入する前にサンプルをダウンロードしてやってみることができます。君はこの1Z0-007問題集は自分に適するかどうか判断して購入を決めることができます。

1Z0-007試験ツール：あなたの訓練に便利をもたらすために、あなたは自分のペースによって複数のパソコンで設置できます。

TopExamは君に1Z0-007の問題集を提供して、あなたの試験への復習にヘルプを提供して、君に難しい専門知識を楽に勉強させます。TopExamは君の試験への合格を期待しています。

弊社のOracle 1Z0-007を利用すれば試験に合格できます

弊社のOracle 1Z0-007は専門家たちが長年の経験を通して最新のシラバスに従って研究し出した勉強資料です。弊社は1Z0-007問題集の質問と答えが間違いないのを保証いたします。

この問題集は過去のデータから分析して作成されて、カバー率が高くて、受験者としてのあなたを助けて時間とお金を節約して試験に合格する通過率を高めます。我々の問題集は的中率が高くて、100％の合格率を保証します。我々の高質量のOracle 1Z0-007を利用すれば、君は一回で試験に合格できます。

安全的な支払方式を利用しています

Credit Cardは今まで全世界の一番安全の支払方式です。少数の手続きの費用かかる必要がありますとはいえ、保障があります。お客様の利益を保障するために、弊社の1Z0-007問題集は全部Credit Cardで支払われることができます。

領収書について：社名入りの領収書が必要な場合、メールで社名に記入していただき送信してください。弊社はPDF版の領収書を提供いたします。

一年間の無料更新サービスを提供します

君が弊社のOracle 1Z0-007をご購入になってから、我々の承諾する一年間の更新サービスが無料で得られています。弊社の専門家たちは毎日更新状態を検査していますから、この一年間、更新されたら、弊社は更新されたOracle 1Z0-007をお客様のメールアドレスにお送りいたします。だから、お客様はいつもタイムリーに更新の通知を受けることができます。我々は購入した一年間でお客様がずっと最新版のOracle 1Z0-007を持っていることを保証します。

弊社は失敗したら全額で返金することを承諾します

我々は弊社の1Z0-007問題集に自信を持っていますから、試験に失敗したら返金する承諾をします。我々のOracle 1Z0-007を利用して君は試験に合格できると信じています。もし試験に失敗したら、我々は君の支払ったお金を君に全額で返して、君の試験の失敗する経済損失を減少します。

Oracle Introduction to Oracle9i: SQL 認定 1Z0-007 試験問題:

1. You are granted the CREATE VIEW privilege. What does this allow you to do?

A) Create a view in any schema.
B) Create a view in your schema.
C) Create a view only of it is based on tables that you created.
D) Create a table view.
E) Create a view that is accessible by everyone.
F) Create a sequence view in any schema.

2. Which two statements about views are true? (Choose two.)

A) A view cannot be created with a GROUP BY clause in the SELECT statement.
B) A view can be created as read only.
C) A view can be created as a join on two or more tables.
D) A view cannot have an ORDER BY clause in the SELECT statement.
E) A view must have aliases defined for the column names in the SELECT statement.

3. Examine the SQL statement that creates ORDERS table:
CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL, STATUS VARCHAR2(10) CHECK (status IN ('CREDIT', 'CASH')), PROD_ID NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order_id, order_date));
For which columns would an index be automatically created when you execute the above SQL statement? (Choose two.)

A) composite index on ORDER_ID and ORDER_DATE
B) SER_NO
C) ORDER_ID
D) STATUS
E) ORD_TOTAL
F) PROD_ID

4. Examine the data in the EMPLOYEES and DEPARTMENTS tables:

Also examine the SQL statements that create the EMPLOYEES and DEPARTMENTS tables:
CREATE TABLE departments
(department_id NUMBER PRIMARY KEY,
department_name VARCHAR2(30));
CREATE TABLE employees
(EMPLOYEE_ID NUMBER PRIMARY KEY,
EMP_NAME VARCHAR2(20),
DEPT_ID NUMBER REFERENCES
departments(department_id),
MGR_ID NUMBER REFERENCES
employees(employee id),
MGR_ID NUMBER REFERENCES
employees(employee id),
JOB_ID VARCHAR2(15).
SALARY NUMBER);
ON the EMPLOYEES,
On the EMPLOYEES table, EMPLOYEE_ID is the primary key.
MGR_ID is the ID of managers and refers to the EMPLOYEE_ID.
DEPT_ID is foreign key to DEPARTMENT_ID column of the DEPARTMENTS table.
On the DEPARTMENTS table, DEPARTMENT_ID is the primary key.
Examine this DELETE statement:
DELETE
FROM departments
WHERE department id = 40;
What happens when you execute the DELETE statement?

A) The statement fails because there are no columns specifies in the DELETE clause of the DELETE statement.
B) The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 110 and 106 are deleted from the EMPLOYEES table.
C) The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 106 and 110 and the employees working under employee 110 are deleted from the EMPLOYEES table.
D) The statement fails because there are child records in the EMPLOYEES table with department ID 40.
E) The row with department ID 40 is deleted in the DEPARTMENTS table. Also all the rows in the EMPLOYEES table are deleted.
F) Only the row with department ID 40 is deleted in the DEPARTMENTS table.

5. What is true about sequences?

A) The start value of the sequence is always 1.
B) The maximum value of descending sequence defaults to 1.
C) A sequence always increments by 1.
D) The minimum value of an ascending sequence defaults to 1.

質問と回答：

質問 # 1
正解： B

質問 # 2
正解： B、C

質問 # 3
正解： A、B

質問 # 4
正解： D

質問 # 5
正解： D