Oracle 1z0-071日本語 : Oracle Database SQL (1z0-071日本語版)
Exam Code: 1z1-071-JPN
Exam Name: Oracle Database SQL (1z0-071日本語版)
Updated: Oct 16, 2026
Q & A: 437 Questions and Answers
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About Oracle 1z0-071日本語 Exam
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Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Reporting Aggregated Data Using Group Functions | 15% | - Describe the use of group functions - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions |
| 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 |
| Controlling User Access | 5% | - Differentiate system privileges from object privileges - Grant privileges on tables and on a view - Distinguish between granting privileges and roles |
| Using DDL Statements to Create and Manage Tables | 14% | - Drop, rename, and truncate tables - Review the table structure - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Categorize the main database objects |
| Using Conversion Functions and Conditional Expressions | 10% | - Apply the NVL, NULLIF, and COALESCE functions to data - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use conditional IF THEN ELSE logic in a SELECT statement - Describe implicit and explicit data type conversion |
| Restricting and Sorting Data | 6% | - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime |
| Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create and maintain indexes - Create, maintain, and use sequences - Create synonyms for database objects |
| Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - List the types of subqueries - Define subqueries - Describe the types of problems that subqueries can solve |
| Manipulating Data | 14% | - Insert rows into a table - Delete rows from a table - Update rows in a table - Describe each data manipulation language (DML) statement - Control transactions |
| Working with Oracle Database SQL | 8% | - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Create a container database - Start up and shut down a database |
| Using Single-Row Functions to Customize Output | 10% | - Describe the differences between single-row and multiple-row functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Perform arithmetic with date data |
| Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands |
| Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - Cross join tables - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - View data that does not meet a join condition by using outer joins |
Oracle Database SQL (1z0-071日本語版) Sample Questions:
展示資料を参照し、パーティション化されておらず、索引構成テーブルでもないEMPテーブルの構造を調べてください。
このSQL文を評価してください。
ALTER TABLE emp
first_name 列を削除します。
正しい記述はどれですか？(2つ選択してください。)
- A. FIRST_NAME列は、SQLステートメントにCASCADEオプションを追加すれば、複合PRIMARY KEYの一部であっても削除できます。
- B. SQL ステートメントに SET UNUSED オプションを追加すれば、FIRST_NAME 列の削除をロールバックできます。
- C. テーブルに少なくとも1つの列が残っている場合、FIRST_NAME列は削除されます。
- D. FIRST_NAME列にデータが含まれていない場合、その列は削除されます。
Correct Answer: B,C 🗳️
あなたは、ビュー、インデックス、およびシノニムによって参照されるテーブル「DEPARTMENTS」を所有しています。
正常に実行される以下のコマンドを調べてください。
DROP TABLE departments PURGE;
正しい記述を3つ選びなさい。(3つ選択してください。)
- A. ロールバックもできず、DEPARTMENTS テーブルも復元できません。
- B. DEPARTMENTS テーブルからすべての行を削除しますが、空のテーブルは保持します。
- C. DEPARTMENTS テーブルのすべてのインデックスを削除します。
- D. データベースからDEPARTMENTSテーブルを削除します。
- E. DEPARTMENTS テーブルのすべての同義語を削除します。
- F. DEPARTMENTS テーブルに基づくすべてのビューを削除します。
Correct Answer: A,C,D 🗳️
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EMPLOYEESテーブルの構造を調べてください。
1年前に採用された従業員の最高給与額と最低給与額を表示する必要があります。
正しい出力が得られるのは、どの2つの文ですか？(2つ選択してください。)
- A. 最小値、最大値を選択
FROM (SELECT MIN(salary) minsal, MAX(salary) maxsal
従業員より
WHERE hire_date < SYSDATE-365)
最大塩分量、最小塩分量でグループ化します。 - B. 最小値、最大値を選択
FROM (SELECT MIN(salary) minsal, MAX(salary) maxsal
従業員より
採用日 < SYSDATE-365 の場合
給与の最小値、最大値でグループ化する。 - C. SELECT MIN(Salary) minsal, MAX(salary) maxsal
従業員より
採用日 < SYSDATE-365 の場合
給与の最小値、最大値でグループ化します。 - D. SELECT MIN(Salary), MAX(salary)
FROM (SELECT salary FROM
従業員
WHERE hire_date < SYSDATE-365);
Correct Answer: A,D 🗳️
ユーザーANDREWに以下の権限を付与する必要があります。
1. CUSTOMERSテーブルのTITLE列とADDRESS列を変更します。
2. 他のユーザーにその権限を付与する。
どちらの文がこれを実現しますか？
- A. GRANT UPDATE ON customers.title, customers.address TO andrew WITH GRANT OPTION;
- B. GRANT UPDATE (title, address) ON customers TO andrew WITH GRANT OPTION;
- C. GRANT UPDATE (title, address) ON customers TO andrew WITH ADMIN OPTION;
- D. GRANT UPDATE ON customers.title, customers.address TO andrew WITH ADMIN OPTION;
- E. GRANT UPDATE ON customers.title, customers.address TO andrew;
- F. GRANT UPDATE (title, address) ON customers TO andrew;
Correct Answer: B 🗳️
SQLのGROUP BY句に関して、正しい記述は次のうちどれですか？(2つ選択)
- A. GROUP BY句の後にWHERE句を使用すると、グループ作成後に行が除外されます。
- B. GROUP BY句で列エイリアスを使用できます。
- 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。
Correct Answer: C,D 🗳️
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