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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 Duration: | 120 minutes |
| Certificate Validity Period: | No expiration for this exam/certification |
| Exam Price: | $245 USD |
| Available Languages: | Simplified Chinese, Japanese, Korean, English, Portuguese |
| Real Exam Qty: | 70 |
| Exam Format: | Multiple Choice |
| Related Certifications: | Oracle Database SQL Certified Associate Oracle Database Administrator Certified Associate (DBA) |
| Passing Score: | 63% |
| Sample Questions: | Oracle 1z0-071日本語 Sample Questions |
| Exam Way: | Pearson VUE testing center (online proctored option available) |
| Pre Condition: | No formal prerequisites required, but basic knowledge of relational database concepts is recommended |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-sql-exam |
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements |
| Topic 2: Working with Oracle Database SQL | 8% | - Create a container database - Describe the Oracle Database architecture - Start up and shut down a database - Explain the installation of Oracle Database software |
| Topic 3: Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 4: Manipulating Data | 14% | - Control transactions - Update rows in a table - Insert rows into a table - Delete rows from a table - Describe each data manipulation language (DML) statement |
| Topic 5: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses |
| Topic 6: Creating Other Schema Objects | 10% | - Create, maintain, and use sequences - Create synonyms for database objects - Create and maintain indexes - Create, modify, and retrieve data from a view |
| Topic 7: Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - List the types of subqueries - Define subqueries |
| Topic 8: Displaying Data from Multiple Tables Using Joins | 15% | - Cross join tables - Join a table to itself by using a self-join - 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 |
| Topic 9: Using Set Operators | 5% | - Describe set operators - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used |
| Topic 10: Using DDL Statements to Create and Manage Tables | 14% | - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Drop, rename, and truncate tables - Categorize the main database objects - Review the table structure |
| Topic 11: 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 12: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands |
| Topic 13: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view |
Your Oracle 1z0-071日本語 Exam Questions, Answered
The Oracle 1z0-071日本語 exam, officially titled Oracle Database SQL (1z0-071日本語版), is the required test for earning the Oracle PL/SQL Developer Certified Associate certification, a credential at the Associate level. Passing it validates the skills Oracle expects from certified professionals, and it can also support progress toward related credentials such as Oracle Database Administrator Certified Associate (DBA), Oracle Database SQL Certified Associate.
The 1z0-071日本語 exam includes 70 questions, and you have 120 minutes to complete it. Before exam day, divide the available time by the question count so you know the pace you need to hold, and practice flagging time-consuming items for review instead of stalling on a single question. Timed sessions in the Actualtests4sure test engine are the easiest way to build that rhythm before it counts.
You need 63% to pass the 1z0-071日本語 exam, and the official registration fee is $245 USD. Keep in mind that a failed attempt means paying that fee in full again for a retake, so avoid booking your seat on a hunch. Work through the Actualtests4sure practice test until your scores sit comfortably above the passing requirement before you schedule the exam.
Oracle asks candidates to meet the following requirement before registering: No formal prerequisites required, but basic knowledge of relational database concepts is recommended. Exam policies do change, so confirm the latest details on the official exam page at https://education.oracle.com/oracle-database-sql-exam before you book.
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The Oracle Database SQL (1z0-071日本語版) exam is organized into 13 major domains. Some of the key domains include:
- Using Single-Row Functions to Customize Output, accounting for 10% of the exam
- Controlling User Access, accounting for 5% of the exam
- Displaying Data from Multiple Tables Using Joins, accounting for 15% of the exam
Scroll up to the Exam Topics section for the complete breakdown, and use it to plan how much study time each domain deserves.
Oracle Database SQL (1z0-071日本語版) Sample Questions:
Question 1
UNIONなどのSET演算子を使用するSQL文について、正しい記述を2つ選択してください。
A. 2 番目のクエリによって返される各列のデータ型は、1 番目のクエリによって返される対応する列のデータ型と完全に一致する必要があります。
B. 2 番目のクエリによって返される各列のデータ型は、1 番目のクエリによって返される対応する列のデータ型に暗黙的に変換可能でなければなりません。
C. 2 番目のクエリによって返される各列のデータ型グループは、1 番目のクエリによって返される対応する列のデータ型グループと一致しなければなりません。
D. クエリ内のすべての SELECT ステートメントで、列名と列数は同一である必要があります。
E. クエリ内のすべての SELECT ステートメントで、列の数は同一である必要がありますが、列名は同一である必要はありません。
Question 2
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);
Question 3
CUSTOMERSテーブルから、名前に「e」という文字が含まれ、かつ最後から2番目の位置に「a」という文字が含まれるすべての顧客の名を表示する必要があります。
どのクエリを実行すれば、必要な出力が得られますか？
A. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, `e')IS NOT NULL AND
SUBSTR(cust_first_name, 1, -2)='a';
B. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, `e')<>0 AND
SUBSTR(cust_first_name, LENGTH(cust_first_name), -2)='a';
C. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, `e')<>0 AND
SUBSTR(cust_first_name, -2, 1)='a';
D. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, `e')<>'' AND
SUBSTR(cust_first_name, -2, 1)='a';
Question 4
次のクエリを評価してください。
上記のクエリを実行すると、どのような結果が得られるでしょうか？
A. 花括弧が使用されているため、エラーが発生します。
B. 正常に実行され、出力内の各 promo_name の末尾に 's が追加されます。
C. データ型が一致しないため、エラーが発生します。
D. 正常に実行され、出力の各行に「{の開始日は \>」というリテラルが表示されます。
Question 5
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. 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。
B. 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。
C. 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。
D. 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。
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: A,D | Question 3 Answer: C | Question 4 Answer: B | Question 5 Answer: A,D |
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