Fast2test 1z0-071リアル試験問題解答は更新された[2024年01月07日]
お手軽に合格させる 最新Oracle 1z0-071問題集には305問があります
Oracle 1Z1-071認定試験は、個人がOracleデータベースを使用してSQLプログラミングスキルを実証する優れた方法です。この認定を取得すると、候補者がOracle環境でSQLを使用する知識とスキルがあることを検証します。この認定は、Database管理者、開発者、アナリストにとって特に価値があります。これは、Oracleデータベースと協力し、キャリアを進めたいと考えています。 Oracle 1Z1-071認定により、個人はOracle SQLプログラミングの分野の専門家として際立っています。
質問 # 71
Examine the description of the CUSTOMERS table:
Which three statements will do an implicit conversion?
- A. SELECT * FROM customers WHERE TO_CHAR(customer_id)='0001';
- B. SELECT * FROM customers WHERE insert_date=DATE'2019-01-01';
- C. SELECT * FROM customers WHERE insert_date'01-JAN-19';
- D. SELECT * FROM customers WHERE TO_DATE(insert_date)=DATE'2019-01-01';
- E. SELECT * FROM customers WHERE customer_id=0001;
- F. SELECT * FROM customers WHERE customer_id='0001';
正解：C、D、F
質問 # 72
Which three statements are correct regarding indexes? (Choose three.)
- A. Indexes should be created on columns that are frequently referenced as part of any expression.
- B. When a table is dropped, corresponding indexes are automatically dropped.
- C. A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically attempts to create a unique index.
- D. For each DML operation performed on a table, the corresponding indexes are automatically updated if required.
正解：B、C、D
解説：
http://viralpatel.net/blogs/understanding-primary-keypk-constraint-in-oracle/
質問 # 73
Examine the structure of the ORDERS table: (Choose the best answer.)
You want to find the total value of all the orders for each year and issue this command:
SQL> SELECT TO_CHAR(order_date,'rr'), SUM(order_total) FROM orders
GROUP BY TO_CHAR(order_date, 'yyyy');
Which statement is true regarding the result?
- A. It executes successfully but gives the correct output.
- B. It executes successfully but does not give the correct output.
- C. It return an error because the datatype conversion in the SELECT list does not match the data type conversion in the GROUP BY clause.
- D. It returns an error because the TO_CHAR function is not valid.
正解：C
質問 # 74
View the Exhibit and examine the details of PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?
- A. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.
- B. It would execute and the output would display the desired result.
- C. It would execute but the output would return no rows.
- D. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.
正解：C
質問 # 75
Examine the business rule:
Each student can work on multiple projects and each project can have multiple students.
You need to design an Entity Relationship Model (ERD) for optimal data storage and allow for generating reports in this format:
STUDENT_ID FIRST_NAME LAST_NAME PROJECT_ID PROJECT_NAME PROJECT_TASK
Which two statements are true in this scenario? (Choose two.)
- A. PROJECT_IDmust be the primary key in the PROJECTSentity and foreign key in the STUDENTSentity.
- B. STUDENT_IDmust be the primary key in the STUDENTSentity and foreign key in the PROJECTSentity.
- C. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities.
- D. The ERD must have a 1:M relationship between the STUDENTSand PROJECTSentities.
- E. The ERD must have a M:M relationship between the STUDENTSand PROJECTSentities that must be resolved into 1:M relationships.
正解：C、E
解説：
Explanation/Reference:
References:
http://www.oracle.com/technetwork/issue-archive/2011/11-nov/o61sql-512018.html
質問 # 76
Examine the description of the EMPLOYEES table:
Which query requires explicit data type conversion?
- A. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
- B. SELECT salary + '120.50' FROM employees;
- C. SELECT join_date + '20' FROM employees;
- D. SELECT SUBSTR(join_date, 1, 2) - 10 FROM employees;
- E. SELECT join_date || ' ' || salary FROM employees;
正解：A
解説：
Explanation
質問 # 77
You must write a query that prompts users for column names and conditions every time it is executed. (Choose the best answer.) The user must be prompted only once for the table name.
Which statement achieves those objectives?
- A. SELECT &col1, '&col2'FROM &tableWHERE &&condition = '&cond';
- B. SELECT &col1, &col2 FROM "&table"WHERE &condition = &cond;
- C. SELECT &col1, &col2 FROM &&tableWHERE &condition = &cond;
- D. SELECT &col1, &col2 FROM &&tableWHERE &condition = &&cond
正解：C
質問 # 78
The PRODUCT_INFORMATIONtable has a UNIT_PRICEcolumn of data type NUMBER (8, 2).
Evaluate this SQL statement:
SELECT TO_CHAR(unit_price, '$9,999') FROM product_information;
Which two statements are true about the output? (Choose two.)
- A. A row whose UNIT_PRICEcolumn contains the value 10235.99will be displayed as #######.
- B. A row whose UNIT_PRICEcolumn contains the value 1023.99will be displayed as $1,024.
- C. A row whose UNIT_PRICEcolumn contains the value 1023.99will be displayed as $1,023.
- D. A row whose UNIT_PRICEcolumn contains the value 10235.99will be displayed as $1,0236.
- E. A row whose UNIT_PRICEcolumn contains the value 10235.99will be displayed as $1,023.
正解：A、C
質問 # 79
View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM employees; The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees. The review date is the firsts Monday after the completion of six months of the hiring. The NLS_TERRITORY parameter is set to AMERICA in the session.
Which statement is true regarding this query?
- A. The query would not execute because date functions cannot be nested.
- B. The query would not execute because the NEXT_DAY function accepts a string as argument.
- C. The query would execute to give the desired output.
- D. The query would execute but the output would give review dates that are Sundays.
正解：D
質問 # 80
Which three statements are true? (Choose three.)
- A. The usernames of all users including database administrators are stored in the data dictionary.
- B. Both USER_OBJECTS and CAT views provide the same information about all objects that are owned by the user.
- C. The data dictionary is created and maintained by the database administrator.
- D. Data dictionary views consist of joins of dictionary base tables and user-defined tables.
- E. Views with the same name but different prefixes, such as DBA, ALL and USER, reference the same base tables from the data dictionary.
- F. The USER_CONS_COLUMNS view should be queried to find the names of columns to which constraints apply.
正解：A、E、F
解説：
Explanation
https://docs.oracle.com/cd/B10501_01/server.920/a96524/c05dicti.htm
質問 # 81
Examine this partial command:
Which two clauses are required for this command to execute successfully? (Choose two.)
- A. the REJECT LIMITclause
- B. the LOCATIONclause
- C. the DEFAULT DIRECTORYclause
- D. the access driver TYPEclause
- E. the ACCESS PARAMETERSclause
正解：B、C
質問 # 82
Which two are true about dropping columns from a table? (Choose two.)
- A. A column can be removed only if it contains no data.
- B. A column drop is implicitly committed.
- C. A primary key column cannot be dropped.
- D. Multiple columns can be dropped simultaneously using the ALTER TABLEcommand.
- E. A column that is referenced by another column in any other table cannot be dropped.
- F. A column must be set as unused before it is dropped from a table.
正解：B、C
質問 # 83
The SYSDATEfunction displays the current Oracle Server date as:
21-MAY-19
You wish to display the date as:
MONDAY, 21 MAY, 2019
Which statement will do this?
- A. SELECT TO_CHAR(SYSDATE, 'FMDD, DAY MONTH, YYYY') FROM DUAL;
- B. SELECT TO_CHAR(SYSDATE, 'FMDAY, DDTH MONTH, YYYY') FROM DUAL;
- C. SELECT TO_DATE(SYSDATE, 'FMDAY, DD MONTH, YYYY') FROM DUAL;
- D. SELECT TO_CHAR(SYSDATE, 'FMDAY, DD MONTH, YYYY') FROM DUAL;
正解：D
解説：
SELECT ID, TO_CHAR(Start_Date,'fmDay Month fmDD, YYYY') AS "Start Date" FROM Employee; Reference: http://www.java2s.com/Code/Oracle/Data-Type/ TOCHARDatefmDayMonthfmDDYYYYEmbeddedspacescanberemovedbyplacingthefmprefix.htm
質問 # 84
Which statement is true regarding the default behavior of the ORDER BY clause?
- A. NULLs are not included in the sort operation.
- B. In a character sort, the values are case-sensitive.
- C. Numeric values are displayed in descending order if they have decimal positions.
- D. Only columns that are specified in the SELECT list can be used in the ORDER BY clause.
正解：B
質問 # 85
You must display details of all users whose username contains the string 'ch_'. (Choose the best answer.) Which query generates the required output?
- A. SELECT * FROM users Where user_name LIKE '%ch_';
- B. SELECT * FROM users Where user_name LIKE 'ch\_%' ESCAPE '_';
- C. SELECT * FROM usersWhere user_name LIKE '%ch_%'ESCAPE'%';
- D. SELECT * FROM users Where user_name LIKE '%ch\_%' ESCAPE '\';
正解：C
質問 # 86
Examine the data in the EMPLOYEES table:
Which statement will compute the total annual compensation for each employee?
- A. SELECT last _ name, (monthly _ salary * 12) + (monthly_ commission _ pct * 12) AS FROM employees;
- B. select last _ name, (monthly_ salary * 12) + (monthly_ salary * 12 *monthly_ commission_ pct) AS annual_ camp FROM employees
- C. SELECT last _ NAME (monthly_ salary + monthly _commission _ pct) * 12 AS annual_ comp FROM employees;
- D. SELECT last _ name, (monthly_ salary * 12) + (monthly_ salary * 12 * NVL (monthly_ commission _pct, 0)) AS annual _comp
正解：D
質問 # 87
......
最新の1z0-071学習ガイド2024年最新の- 提供するのはテストエンジンとPDF：https://jp.fast2test.com/1z0-071-premium-file.html
最新版を今すぐ試そう1z0-071練習テスト問題解答：https://drive.google.com/open?id=1k09O34PMzsnA0H-sRSRAYQeNEYZIYT_8