Difficult points stop being difficult when they are presented clearly. The Oracle Database SQL (1z0-071日本語版) materials at PracticeVCE organize the 1z0-071日本語 exam content so that hard topics become understandable in sequence — structure first, then practice, then confidence.
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Retrieving Data Using the SQL SELECT Statement | 5% | - Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements |
| Topic 2: Restricting and Sorting Data | 6% | - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands |
| Topic 3: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions |
| Topic 4: Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Cross join tables |
| Topic 5: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Describe the Oracle Database architecture - Explain the installation of Oracle Database software - Create a container database |
| Topic 6: Using Conversion Functions and Conditional Expressions | 10% | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data - Use conditional IF THEN ELSE logic in a SELECT statement |
| Topic 7: Using DDL Statements to Create and Manage Tables | 14% | - Drop, rename, and truncate tables - Alter table definitions - Describe the data types that are available for columns - Categorize the main database objects - Review the table structure - Create a simple table |
| Topic 8: Using Single-Row Functions to Customize Output | 10% | - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions |
| Topic 9: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view |
| Topic 10: Manipulating Data | 14% | - Update rows in a table - Delete rows from a table - Control transactions - Describe each data manipulation language (DML) statement - Insert rows into a table |
| Topic 11: Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - Define subqueries - Describe the types of problems that subqueries can solve - List the types of subqueries |
| Topic 12: Creating Other Schema Objects | 10% | - Create synonyms for database objects - Create, maintain, and use sequences - Create and maintain indexes - Create, modify, and retrieve data from a view |
| Topic 13: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe set operators - Describe the order of precedence when the set operators are used |
1z0-071日本語 Exam Details and Study Questions
The 1z0-071日本語 exam contains 70 questions with 120 minutes minutes to complete them. A clear knowledge structure is what makes that volume manageable — you answer faster when every topic has its place.
Passing the 1z0-071日本語 exam requires 63%, and registration costs $245 USD. Structured preparation is how you spend study time once and exam fees once.
Immediately. The system emails you at once with the download link for the Oracle Database SQL (1z0-071日本語版) materials — the whole delivery process takes about a minute. Open the email, download the 1z0-071日本語 exam product to your computer, install it, and you are studying within minutes of deciding to. If the message does not appear, check your spam folder; after 2 hours without delivery, contact support. Install on all of your own devices without limit.
No formal prerequisites required, but basic knowledge of relational database concepts is recommended
The 1z0-071日本語 exam is the official assessment behind the Oracle Database SQL (1z0-071日本語版) certification from Oracle. Lifelong learning has become the norm precisely because industries keep moving — and this credential is a concrete way to keep pace. Many candidates only sit it seriously on a second attempt; structured preparation is how you make the first one count.
The official outline divides the 1z0-071日本語 exam into weighted domains, including:
- Displaying Data from Multiple Tables Using Joins (15%)
- Controlling User Access (5%)
- Manipulating Data (14%)
The Oracle Database SQL (1z0-071日本語版) bank at PracticeVCE mirrors this structure, so the knowledge map you build while practicing matches the one the exam uses.
Structure is the design principle. The Oracle Database SQL (1z0-071日本語版) materials first build a clear knowledge structure of the 1z0-071日本語 exam, so difficult points become understandable in sequence rather than intimidating in isolation. Our experts have prioritized the most important knowledge for busy learners, and every answer is expert-verified — so your limited hours go exactly where the objectives point.
Oracle Database SQL (1z0-071日本語版) Sample Questions:
ORDERSテーブルには、ORDER_ID列に主キー制約が設定されています。
ORDER_ITEMSテーブルのORDER_ID列には、ORDERSテーブルの主キーを参照する外部キー制約が設定されています。
この制約は ON DELETE CASCADE で定義されています。
ORDERSテーブルには、ORDER_TOTALが1000未満の行が存在します。
どの3つのDELETE文が正常に実行されますか？
- A. order_id を orders から削除します。ただし、order_total が 1000 未満である必要があります。
- B. order_total < 1000 の orders テーブルから削除します。
- C. 注文合計が 1000 未満の注文を削除します。
- D. DELETE * FROM orders WHERE order_total < 1000;
- E. 注文から削除します。
Correct Answer: A,C 🗳️
あなたは以下のコマンドを発行しました：
SQL > DROP TABLE employees;
正しい記述を3つ選びなさい。(3つ選択してください。)
- A. 削除対象のテーブルに定義されているすべてのインデックスと制約も削除されます。
- B. 従業員用テーブルはリサイクルボックスに移動できます。
- C. EMPLOYEES テーブルで使用されているシーケンスが無効になります。
- D. EMPLOYEES テーブルは ROLLBACK コマンドを使用して復元できます。
- E. 従業員テーブルが使用するスペースは常にすぐに再利用されます。
- F. セッション内に未コミットのトランザクションがある場合、それはコミットされます。
Correct Answer: A,B,F 🗳️
どの2つのコマンドが正常に実行されましたか？(2つ選択してください。)
- MANAGERは、権限や役割を持たない既存の役割です。
- EMPは、CREATE TABLE権限を含む既存のロールです。
- EMPLOYEESは、HRスキーマに存在するテーブルです。
- A. GRANT CREATE TABLE, SELECT ON hr.employees TO manager;
- B. マネージャー、従業員にシーケンスの作成権限を付与します。
- C. マネージャーに任意のセッションの作成、任意のテーブルの作成権限を付与します。
- D. GRANT CREATE TABLE, emp TP manager;
- E. GRANT SELECT, INSERT ON hr.employees TO manager WITH GRANT OPTION;
Correct Answer: B,E 🗳️
集計関数について、正しい記述はどれですか？
- A. MAX関数とMIN関数は、文字データ型の列で使用できます。
- B. 集計関数は、SELECT ステートメントのどの句でも使用できます。
- C. 集計関数は任意のレベルまでネストできます。
- D. AVG関数はNULL値を暗黙的にゼロに変換します。
Correct Answer: C 🗳️
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テーブルORDER_ITEMSには、データ型がNUMBERの列ORDER_TO、UNIT_PRICE、QUANTITYが含まれています。
以下のSQL文を調べてください。
声明1：
声明2：
正しい記述はどれですか？(2つ選択してください。)
- A. UNIT_PRICEまたはQUANTITYのいずれかにNULLが含まれている場合、両方のステートメントはNULLを返します。
- B. ステートメント2は1行の出力のみを返します。
- C. ステートメント 1 は 1 行の出力のみを返します。
- D. ステートメント2は、複数の出力行を返す可能性があります。
- E. どちらの文も同じ出力になります。
Correct Answer: C,D 🗳️
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