Introduction to ORACLE 1Z0-071 Certification Exam
The Oracle certification program is a worldwide program and there is a network of many different types of certifications available from Oracle. The 1Z0-071 exam is the first exam in the SQL Practice certification track. This track is meant for people who plan to build their career in SQL administration and want to specialize in managing the RDBMS with Oracle Community Platform, Enterprise Edition.
ORACLE 1Z0-071 Certification Exam is a certification exam for Oracle Database Administration, DBA. Oracle Database Administration, DBA certification proves that applicants have the skills and detailed knowledge needed to manage a company database resources. It is an important credential in the IT industry as it shows competencies of job positions such as application developers, database administrators, and IT managers. This is an online test preloaded with multiple-choice questions which are all included in Oracle 1Z0-071 Dumps. You have to select actual and relevant answers. Prepare yourself for this exam Guide by practicing with this assessment of the top websites to prepare for the 1Z0-071 exam.
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Prerequisites
There are no official requirements for passing the Oracle 1Z0-071 exam. However, it is recommended that the students have a good grasp of SQL syntax rules. They also need to be able to use general SQL functions, identify the result of fundamental DDL operations, and know how to implement SQL statements and functions.
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For more information, kindly read the exam references
Oracle 1Z0-071 Certification Exam Reference
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: SQL Functions | - Single-row functions
|
| Topic 2: Relational Database Concepts | - Tables, rows, columns, and relational model basics - Data types and database objects overview |
| Topic 3: Subqueries and Advanced SQL | - Single-row and multi-row subqueries - Correlated subqueries and nested queries |
| Topic 4: Data Manipulation and Schema Objects | - DDL operations
|
| Topic 5: SQL Retrieval | - SELECT statements and filtering data
|
Oracle Database SQL (1z0-071日本語版) Sample Questions:
展示資料をご覧になり、従業員表の構造を調べてください。
MANAGER_IDが100であるすべての従業員とそのマネージャーを表示したい。
出力は2列で表示したい。1列目にはマネージャーの姓、2列目には従業員の姓が表示される。
どのSQL文を実行しますか？
- A. SELECT m.last_name "Manager", e.last_name "Employee" FROM employees m
従業員に参加
m.employee_id = e.manager_id かつ e.manager_id = 100 の場合。 - B. SELECT m.last_name "Manager", e.last_name "Employee" FROM employees m
従業員に参加
ON e.employee_id = m.manager_id
m.manager_id=100 の場合; - C. SELECT m.last_name "Manager", e.last_name "Employee" FROM employees m JOIN employees e ON m.employee_id = e.manager_id WHERE m.manager_id=100;
- D. SELECT m.last_name "Manager", e.last_name "Employee" FROM employees m
従業員に参加
ON m.employee_id = e.manager_id
e.manager_id=100 の場合;
Correct Answer: D 🗳️
従業員テーブルの構造を調べてください。
EMPLOYEE_IdとMANAGER_IDの間には親子関係があります。
EMPLOYEE_IDが123の従業員と同じマネージャーの下で働く従業員の姓とマネージャーIDを表示したい。
どのクエリが正しい出力結果をもたらしますか？
- A. SELECT e.last_name, e.manager_id
FROM employees e RIGHT OUTER JOIN employees m
(e.employee_id = m.employee_id)
e.employee_id = 123 の場合; - B. SELECT e.last_name, m.manager_id
FROM employees e RIGHT OUTER JOIN employees m
(e.employee_id = m.manager_id)
e.employee_id = 123 の場合; - C. SELECT m.last_name, e.manager_id
FROM employees e LEFT OUTER JOIN employees m
(e.manager_id = m.manager_id)
e.employee_id = 123 の場合; - D. SELECT e.last_name, m.manager_id
FROM employees e RIGHT OUTER JOIN employees m
(e.manager_id = m.employee_id)
かつ、e.employee_id = 123;
Correct Answer: B 🗳️
WITH GRANT OPTION句について正しい記述はどれですか？(2つ選択してください。)
- A. このオプションを使用するには、権限付与を受ける側がGRANT ANY OBJECT PRIVILEGEシステム権限を持っている必要があります。
- B. 受益者は、このオプションを含めるか含めないかにかかわらず、データベース内の任意のユーザーにオブジェクト権限を付与できます。
- C. システム権限とオブジェクト権限に使用できます。
- D. 役割に権限を付与する際に使用できます。
- E. 受給者が他のユーザーに権限を譲渡するために使用できます。
- F. 受贈者は、これを公衆への権利譲渡に利用することはできません。
Correct Answer: C,E 🗳️
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売上テーブルから、AMOUNT_SOLDが最も低い商品の行の5%を表示したい。また、AMOUNT_SOLDが同じ行も表示したい。たとえその結果、出力が5%を超える行数になったとしても構わない。
どのクエリが目的の結果をもたらしますか？
- A. SELECT prod_id, cust_id, amount_sold
販売から
販売数順
紐で結ばれた最初の5パーセントの行のみを取得する。 - B. SELECT prod_id, cust_id, amount_sold
販売から
販売量順に並べ替え
最初の5パーセントの行のみを取得します。 - C. SELECT prod_id, cust_id, amount_sold
販売から
販売量順
同点の最初の5パーセントの行を取得する。 - D. SELECT prod_id, cust_id, amount_sold
販売から
販売量順
同点の場合は最初の5パーセントの行のみを取得する。
Correct Answer: D 🗳️
展示資料をご覧になり、プロモーション表の構造をご確認ください。
次のSQL文を評価してください。
上記のクエリの結果に関して、正しい記述はどれですか？
- A. テーブル内のすべてのプロモーションの COST_REMARK を表示します。
- B. プロモーションカテゴリ「TV」内のすべてのプロモーションの COST_REMARK を表示します。
- C. サブクエリがエラーを発生させるため、エラーが発生します。
- D. サブクエリはCASE式で使用できないため、エラーが発生します。
Correct Answer: A 🗳️
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