Oracle 1z1-071-JPN - Oracle Database SQL (1z0-071日本語版)
Updated: Nov 08, 2026
Q & A: 437 Questions and Answers
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Updated: Nov 08, 2026
Q & A: 437 Questions and Answers
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The ORACLE 1Z0-071 exam will include the following sections:
ORACLE 1Z0-071 exams questions will be in the form of Multiple choice, and the passing score for winning the certification is 63%. If you will not be able to score the required percentage, you will not be entertained with the certification. Don't worry, Oracle 1Z0-071 Dumps will help you to get a score in the exam.
| Section | Weight | Objectives |
|---|---|---|
| Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Controlling User Access | - Roles, granting and revoking privileges - System and object privileges | |
| Displaying Data from Multiple Tables | 15% | - Equijoins and non-equijoins - Self-joins and outer joins - Cartesian products |
| Using Single-Row Functions to Customize Output | 20% | - Character, number, and date functions - Nested functions usage |
| Managing Tables and Constraints | - Temporary and external tables - Data types, creating/altering/dropping tables - Constraints: primary key, foreign key, unique, check, not null | |
| Using Subqueries to Solve Queries | - Correlated subqueries for update/delete - Single-row and multi-row subqueries | |
| Relational Database Concepts | 10% | - Theoretical and physical aspects of relational databases - Relationship between database and SQL - ERD and SQL statement mapping |
| Manipulating Data and Managing Transactions | - Transaction control: COMMIT, ROLLBACK, SAVEPOINT - Multi-table inserts - INSERT, UPDATE, DELETE, MERGE statements | |
| Managing Views | - Updatable and read-only views - Create, modify and drop views | |
| Aggregating Data Using Group Functions | 10% | - Handling NULLs in group functions - GROUP BY and HAVING clauses - SUM, AVG, COUNT, MAX, MIN functions |
| Managing Indexes, Synonyms and Sequences | - Create and use sequences - Create and use synonyms - Create and maintain indexes | |
| Using Data Dictionary Views | - Retrieve metadata and object information | |
| Working with Time Zones and Date/Time Data | - TIMESTAMP, INTERVAL data types - Time zone conversion functions | |
| Restricting and Sorting Data | 15% | - ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - WHERE clause and filtering conditions - Operator precedence |
| Retrieving Data Using SQL SELECT Statement | 20% | - Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling - SELECT statement syntax and usage |
| Conversion Functions and Conditional Expressions | 10% | - Implicit and explicit data type conversion - NVL, NULLIF, COALESCE and CASE expressions - TO_CHAR, TO_NUMBER, TO_DATE functions |
相関サブクエリの手順を、順不同で以下に示します。
1) 外部クエリのWHERE句が評価されます。
2) 候補行は、外側の条件で指定されたテーブルから取得されます。
クエリ。
3) この手順は、テーブルの次の行に対しても繰り返され、すべての行が処理されるまで続きます。
4) 行は、外部クエリの候補行の値で評価された後、内部クエリによって返されます。
Oracleサーバーが相関サブクエリを評価する手順を正しい順序で記述しているオプションを特定してください。
Correct Answer: C 🗳️
BOOKS_TRANSACTIONStableの説明を確認してください。
この部分的なSQL文を調べてみましょう。
SELECT * FROM books_transactions
同じ結果になるWHERE条件はどれですか？(2つ選択してください。)
Correct Answer: B,E 🗳️
ORDERSテーブルの構造を調べてください。(最適な回答を選択してください。)
各年の全注文の合計金額を求めたい場合は、以下のコマンドを実行してください。
SQL> SELECT TO_CHAR(order_date,'rr'),
SUM(order_total) FROM orders
TO_CHAR(order_date, 'yyyy')でグループ化します。
結果に関して、次のうち正しい記述はどれですか？
Correct Answer: B 🗳️
展示資料を参照し、PRODUCT_INFORMATION テーブルの説明を確認してください。
LIST_PRICEがNULLである製品の数をテーブルから取得するには、どのSQL文を使用しますか？
Correct Answer: D 🗳️
CUSTOMERSテーブルの構造を調べてください。(2つ選択してください。)
CUSTNOは主キーです。
重複している顧客名をすべてリストアップすることで、異なる顧客番号を使用して顧客情報が複数回入力されていないかどうかを確認する必要があります。
必要な結果を得るために使用できる2つの方法はどれですか？
Correct Answer: B,C 🗳️
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