Exam Name: Oracle Database SQL (1z0-071日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle PL/SQL Developer Certified Associate
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Updated: Oct 27, 2026
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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) |
| Available Languages: | Portuguese, Chinese (Simplified), Japanese, Spanish, English |
| Certificate Validity Period: | Non-expiring (Oracle certification policy subject to change) |
| Exam Format: | Multiple Choice, Multiple Response, Computer-based exam, Proctored exam |
| Related Certifications: | Oracle Database Administrator Certified Associate Oracle Database Development certifications |
| Exam Duration: | 120 minutes |
| 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 |
|---|---|
| Topic 1: Data Manipulation and Schema Objects | - DML operations
|
| 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: SQL Retrieval | - Joins and set operations
|
| Topic 5: SQL Functions | - Conversion and conditional functions
|
The 1z0-071日本語 Exam, Our Materials, Your Questions
The Oracle Database SQL (1z0-071日本語版) blueprint is organized into these principal domains:
- SQL Retrieval
- Data Manipulation and Schema Objects
- Subqueries and Advanced SQL
Additional domains follow in the full official outline, and our bank spans them all.
Oracle recommends these official training options:
If formal classes fit your budget and calendar they add structure; otherwise, disciplined self-practice with a current bank covers the same ground.
A team of professional IT experts and certified trainers who focus on this exam field — and who keep the 1z0-071日本語 bank under constant updating so every candidate prepares smoothly. Every answer is expert-verified, and you can check the accuracy yourself with a free demo before buying. The online test engine deserves special mention: it simulates the actual test environment, supports Windows, Mac, Android, and iOS, carries no installation limits, and lets you practice without limits of time or location — a smooth preparation process for office workers who cannot attend classes.
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Oracle specifies the following prerequisites for the Oracle Database SQL (1z0-071日本語版): No formal prerequisites required; basic knowledge of relational databases and SQL recommended..
Verify the details on the official certification page before registering.
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Oracle Database SQL (1z0-071日本語版) Sample Questions:
コマンドを調べてください。
ON DELETE CASCADE は何を意味しますか？
- A. books テーブルが削除されると、BOOK_TRANSACTIONS テーブルも削除されます。
- B. books テーブルが削除されると、BOOK_TRANSACTIONS テーブルのすべての行が削除されますが、テーブル構造は保持されます。
- C. books テーブルの行が削除されると、BOOK_ID が books テーブルの削除された行の BOOK_ID と一致する BOOK__TRANSACTIONS テーブルの行も削除されます。
- D. BOOKS.BOOK_ID 列の値が削除されると、書籍トランザクションの BOOK_ID 列の対応する値が更新されます。
Correct Answer: C 🗳️
TRANSACTIONSテーブルに提案されている構造を調べてください。
上記の表構造におけるデータの保存に関して、正しい記述は次のうちどれですか？(2つ選択)
(2つ選択してください。)
- A. CUST_CREDIT_VALUE列には、正の整数と負の整数を格納できます。
- B. CUST_STATUS列は、最大VARCHAR2サイズまでのデータの保存を可能にします。
4,000文字。 - C. TRANS_DATE 列では、日付を dd-mon-yyyy 形式でのみ保存できます。
- D. TRANS_VALIDITY列では、日、時間、分、秒単位での時間間隔を保存できます。
Correct Answer: A,D 🗳️
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スカラーサブクエリ式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. 括弧で囲む必要があります。
- B. 列のデフォルト値として使用できます。
- C. 2つの列を返すことができます。
- D. 最大で1列まで戻ることができます。
- E. 親ステートメント内のテーブルと関連付けることはできません。
Correct Answer: A,D 🗳️
展示資料をご覧になり、注文表をご確認ください。
ORDERSテーブルにはデータが含まれており、すべての注文には顧客IDが割り当てられています。
CUSTOMER_ID列にNOT NULL制約を追加するステートメントはどれですか？
- A. ALTER TABLEの注文
ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id); - B. ALTER TABLE orders
制約 orders_cust_id_nn を NULL でないように変更します (customer_id); - C. ALTER TABLEの注文
customer_id を NUMBER(6) に追加し、orders_cust_id_nn を NULL 以外に設定する制約を設けます。 - D. ALTER TABLE orders
customer_id を変更する。orders_cust_id_nn は NULL でないこと。
Correct Answer: D 🗳️
サブクエリに関して正しい記述を3つ選びなさい。
- A. ORDER BY句はサブクエリで使用できます。
- B. サブクエリは、SELECT ステートメントの FROM 句で使用できます。
- C. サブクエリがNULLを返した場合でも、メインクエリは行を返す可能性があります。
- D. サブクエリの WHERE 句では、AND、OR、NOT などの論理演算子を使用できません。
- E. サブクエリは、WHERE 句、GROUP BY 句、または HAVING 句に配置できます。
Correct Answer: A,B,E 🗳️
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