Preparing for the Oracle Database SQL (1z0-071日本語版) exam while juggling a full-time job is not easy, and most candidates simply do not have months to spare. Dumpkiller built its 1z0-071日本語 practice questions for exactly that situation — 437 focused questions that make every study hour in 2026 count.
Oracle 1z0-071日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database SQL |
| Exam Number: | 1Z0-071 |
| Exam Price: | USD 245 (varies by country/region) |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | Non-expiring (Oracle certification policy subject to change) |
| Related Certifications: | Oracle Database Administrator Certified Associate Oracle Database Development certifications |
| Exam Format: | Multiple Choice, Multiple Response, Computer-based exam, Proctored exam |
| Available Languages: | Japanese, English, Spanish, Portuguese, Chinese (Simplified) |
| Recommended Training: | Oracle Database SQL Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or test center delivery depending on region |
| Pre Condition: | No formal prerequisites required; basic knowledge of relational databases and SQL recommended. |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-sql/pexam_1Z0-071 |
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| SQL Functions | - Single-row functions
|
| SQL Retrieval | - SELECT statements and filtering data
|
| Subqueries and Advanced SQL | - Single-row and multi-row subqueries - Correlated subqueries and nested queries |
| Data Manipulation and Schema Objects | - DML operations
|
| Relational Database Concepts | - Tables, rows, columns, and relational model basics - Data types and database objects overview |
Oracle Database SQL (1z0-071日本語版): Common Questions From Candidates
What is the Oracle Database SQL (1z0-071日本語版) certification exam?
The Oracle Database SQL (1z0-071日本語版) exam (code: 1z0-071日本語) is the official Oracle exam that leads to the Oracle Database SQL Certified Associate certification. It sits at the Associate level of the Oracle certification track. It is also connected with related credentials such as Oracle Database Administrator Certified Associate, Oracle Database Development certifications. Passing it proves to employers that your skills have been validated by Oracle itself, which is why the 1z0-071日本語 credential keeps showing up in job postings.
Are there any prerequisites for the 1z0-071日本語 exam?
According to Oracle, the following applies: No formal prerequisites required; basic knowledge of relational databases and SQL recommended.. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://education.oracle.com/oracle-database-sql/pexam_1Z0-071 before you register.
How do I register for the 1z0-071日本語 exam?
You can book your Oracle Database SQL (1z0-071日本語版) exam through the official channels below:
Depending on availability in your region, the exam is delivered as Online proctored or test center delivery depending on region.
What official training does Oracle recommend for the 1z0-071日本語 exam?
Oracle lists the following training options for Oracle Database SQL (1z0-071日本語版) candidates:
Official courses build a solid foundation, and pairing them with the 437 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.
Can I try the 1z0-071日本語 practice questions before buying?
Yes. Dumpkiller offers a free 1z0-071日本語 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Oracle Database SQL (1z0-071日本語版) material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.
What happens if I do not pass the 1z0-071日本語 exam, and how is my order delivered?
If you take the corresponding 1z0-071日本語 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.
What topics are covered in the 1z0-071日本語 exam?
The official Oracle Database SQL (1z0-071日本語版) syllabus is organized into 5 main domains. The first three are Relational Database Concepts, Subqueries and Advanced SQL, and SQL Functions. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.
Oracle Database SQL (1z0-071日本語版) Sample Questions:
Question 1
Oracle SQLのDELETE文とTRUNCATE文について、正しい記述はどれですか?
A. DELTE および TRUNCATE ステートメントでは、ロールバックを実行してデータをテーブルに復元できます。
B. DELETE文は使用できますが、TRUNCATE文は使用できません。テーブルの特定の列と行からデータを削除するために使用できます。
C. DELETE文は使用できますが、TRUNCATE文は使用できません。テーブルから行を選択的に削除するために使用できます。
D. DELETE および TRUNCATE ステートメントは、実行対象のテーブルのすべてのインデックスを削除します。
Question 2
PRODUCT_INFORMATION テーブルには、データ型が NUMBER (8, 2) の UNIT_PRICE 列があります。
このSQL文を評価してください。
SELECT TO_CHAR(unit_price, `$9,999') FROM product_information;
出力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. UNIT_PRICE列に1023.99という値が含まれている行は、$1,023と表示されます。
B. UNIT_PRICE列に1023.99という値が含まれている行は、$1,024と表示されます。
C. UNIT_PRICE 列に値 10235.99 が含まれている行は ####### と表示されます。
D. UNIT_PRICE列に10235.99という値が含まれている行は、$1,0236と表示されます。
E. UNIT_PRICE列に10235.99という値が含まれている行は、$1,023と表示されます。
Question 3
既存のデータを含むテーブルに対して実行できる操作を3つ選択してください。
A. NULL値を含む列に自動的に挿入されるデフォルト値を定義します
B. テーブルの最初の列として新しい列を追加します
C. 数値列の幅を広げる
D. 列のデフォルト値を変更する
E. デフォルト値を持つ新しいNOT NULL列を追加します
F. データを含む日付列を数値データ型に変更します
Question 4
SQL文のGROUP BY句に関して、正しい記述はどれですか?(2つ選択してください。)
A. GROUP BY句で列エイリアスを使用できます。
B. GROUP BY句の後にWHERE句を使用すると、グループを作成した後に行が除外されます。
C. WHERE句をGROUP BY句の前に使用すると、グループを作成する前に行が除外されます。
D. SELECT句に集計関数がある場合、SELECT句に集計関数がない個々の列はGROUP BY句に含める必要があります。
E. SELECT句で集計関数を使用する場合は、GROUP BY句が必須です。
Question 5
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。
すべての従業員の名前、入社日、およびマネージャーを表示したいと考えています。新しく採用された従業員は、まだ部署やマネージャーが割り当てられていません。そのため、マネージャーの列には「マネージャーなし1」と表示されるようにする必要があります。
どのSQLクエリで必要な出力が得られますか?
A. SELECT e.last_name/ e.hire_date/ NVL(m.last_______ name/ 'No Manager') Manager FROM employees e NATURAL JOIN employees m ON (e.manager_id = m.employee_id);
B. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') Manager FROM employees e LEFT OUTER JOIN employees m ON (e.manager_id = m.employee_id);
C. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') Manager FROM employees e RIGHT OUTER JOIN employees m ON (e.manager_id = m.employee_id);
D. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') Manager FROM employees e JOIN employees m ON (e.manager_id = m.employee_id);
Solutions:
| Question 1 Answer: C | Question 2 Answer: A,C | Question 3 Answer: C,D,E | Question 4 Answer: C,D | Question 5 Answer: B |


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