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Recertification is required every three years. In general, this course takes 9 weeks to complete, but it depends on the person who is taking this course. Oracle 1Z0-071 Dumps cover all questions of 1Z0-071. In order to tune your 1Z0-071 certification after you have completed the course, you must pass Oracle's Exam Retake Retrieval Tool twice.
The Exam Retake Retrieval Tool was originally designed for people who have already passed a 1Z0-102 exam and want to retake the exam for a better score. You will need a separate username and password in order to access this tool from any computer. The process of using the tool consists of signing into your Oracle account then asking for your name in order to get your username and password. After you get your username and password, you connect to the Retake Retrieval Tool. When you are connected to the tool, it will show all of your 1Z0-071 exam histories. You will then see a link where you can retrieve your exam history.
Once retrieved, run the exam for at least two full cycles. The first cycle is 3 hours long and the second cycle is 5 hours long. After running each cycle at least once, you should then mark or unmark questions that could potentially be on future exams that appear on the exam itself. Then, after the first cycle is completed, you can go back to the Retook Retrieval Tool and you will see that the length of the exam has increased. Once you complete this process twice, you will be able to take your final exam for the 1Z0-071 certification.
Oracle 1z0-071 Practice Test Questions, Oracle 1z0-071 Exam Practice Test Questions
The Oracle 1Z0-071 exam is required for obtaining several certifications provided by the Oracle University, namely Oracle PL/SQL Developer Certified Associate, Oracle Database 12c Administrator Certified Associate, and Oracle Database SQL Certified Associate. This test validates the candidates’ competency in Oracle SQL as well as PL/SQL technologies.
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Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using Data Dictionary Views | - Retrieve metadata and object information | |
| Topic 2: Managing Tables and Constraints | - Temporary and external tables - Constraints: primary key, foreign key, unique, check, not null - Data types, creating/altering/dropping tables | |
| Topic 3: Controlling User Access | - System and object privileges - Roles, granting and revoking privileges | |
| Topic 4: Aggregating Data Using Group Functions | 10% | - Handling NULLs in group functions - SUM, AVG, COUNT, MAX, MIN functions - GROUP BY and HAVING clauses |
| Topic 5: Managing Views | - Create, modify and drop views - Updatable and read-only views | |
| Topic 6: Retrieving Data Using SQL SELECT Statement | 20% | - Arithmetic operations and NULL handling - Column aliases, concatenation, literals and DISTINCT - SELECT statement syntax and usage |
| Topic 7: Working with Time Zones and Date/Time Data | - Time zone conversion functions - TIMESTAMP, INTERVAL data types | |
| Topic 8: Using Single-Row Functions to Customize Output | 20% | - Character, number, and date functions - Nested functions usage |
| Topic 9: Manipulating Data and Managing Transactions | - Multi-table inserts - INSERT, UPDATE, DELETE, MERGE statements - Transaction control: COMMIT, ROLLBACK, SAVEPOINT | |
| Topic 10: Displaying Data from Multiple Tables | 15% | - Self-joins and outer joins - Cartesian products - Equijoins and non-equijoins |
| Topic 11: Relational Database Concepts | 10% | - ERD and SQL statement mapping - Relationship between database and SQL - Theoretical and physical aspects of relational databases |
| Topic 12: Using Subqueries to Solve Queries | - Correlated subqueries for update/delete - Single-row and multi-row subqueries | |
| Topic 13: Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Topic 14: Conversion Functions and Conditional Expressions | 10% | - NVL, NULLIF, COALESCE and CASE expressions - TO_CHAR, TO_NUMBER, TO_DATE functions - Implicit and explicit data type conversion |
| Topic 15: Managing Indexes, Synonyms and Sequences | - Create and use synonyms - Create and use sequences - Create and maintain indexes | |
| Topic 16: Restricting and Sorting Data | 15% | - ORDER BY clause and sorting rules - WHERE clause and filtering conditions - Operator precedence - Substitution variables, DEFINE and VERIFY commands |
Oracle Database SQL (1z0-071日本語版) Sample Questions:
Question #1
INTERVALデータ型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. INTERVAL YEAR TO MONTH 列は、年の範囲内の月間隔のみをサポートします。
B. INTERVAL DAY TO SECOND 列は秒の小数点までをサポートします。
C. INTERVAL YEAR TO MONTH 列は、年単位の間隔をサポートします。
D. INTERVAL YEAR TO MONTH 列は、1 年内の月間隔のみをサポートします。
E. INTERVAL YEAR TO MONTH 列の YEAR フィールドは正の値でなければなりません。
F. 「期間 日から秒」列の値を「期間 年から月」列にコピーできます。
Question #2
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. 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。
C. 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。
D. 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。
Question #3
このクエリを調べてください。
SELECT 2 FROM DUAL d1 CROSS JOIN DUAL d2 CROSS JOIN DUAL d3;
実行時に返されるものは何ですか？
A. 1列
B. 6列
C. 0行
D. エラー
E. 8列
F. 3列
Question #4
インデックスに関して正しい記述はどれですか？(2つ選択してください。)
A. テーブルが削除されてごみ箱に移動されると、そのテーブル上に作成されたすべてのインデックスは完全に削除されます。
B. あるユーザーに属するテーブルには、別のユーザーに属するインデックスを持つことはできません。
C. テーブルの更新は、テーブルのインデックスの全部または一部の更新につながる可能性があります。
D. テーブルの更新によって、テーブルのインデックスが更新されない場合があります。
E. UNIQUE インデックスは非一意に変更することができます。
Question #5
正しいのはどれですか？(2つ選択してください。)
A. LAST_DAY は、関数に渡された date 引数の月の最終日の日付を返します。
B. CEILでは、数値データ型の引数が必要です。
C. LAST_DAY は、当月の最終日の日付のみを返します。
D. ADD_MONTHS は、日付に暦月数を加算します。
E. CEIL は、指定された数値以下の最大の整数を返します。
F. LAST_DAY は前月の最終日の日付のみを返します。
Solutions:
| Question #1 Correct Answer: A,B | Question #2 Correct Answer: A | Question #3 Correct Answer: A | Question #4 Correct Answer: B,D | Question #5 Correct Answer: D,E |
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