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What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- There is a time limit of 140 minutes for the exam.
- Section 2: 45%
- Certification Validity period : 3 years.
- The type of questions is Multiple Choice Questions.
- Section 1: 60%
- This exam consists of 90 questions.
- Section 3: 33%
- This exam is offered in only English.
- Passing score:
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle's credential withdrawal.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Benefits in Obtaining Oracle 1z0-082: Oracle Database Administration I Exam Certification Path
Oracle 1Z0-068 Certification will strengthen your knowledge and skills by introducing you to a wide variety of important database features, functions, and tasks. Oracle Database certification trains you on how to perform complex, hands-on activities through study, labs, and practice. This certification will help you gain a better understanding and experience with Oracle RAC and Grid Infrastructure. After gaining this certification you will be able to install, maintain, tune and recover RAC databases, Clusterware, and ASM environments.
Earning this certification gives you a competitive advantage by developing a skill set that's in demand in the world. 80% of Oracle's certified people reported that certification helped them in promotion, increase in wages, or other career improvements. You will also get a digital badge that you can display on your LinkedIn profiles.
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 2: Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Topic 3: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service |
| Topic 4: Using Conversion Functions and Conditional Expressions | - Use nested functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 5: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Join a table to itself using self-join - Use CROSS joins |
| Topic 6: Using Subqueries to Solve Queries | - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL |
| Topic 7: Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture |
| Topic 8: Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts |
| Topic 9: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Manage space in tablespaces - Create and manage tablespaces - Describe the logical and physical database structures |
| Topic 10: Managing Schema Objects | - Create indexes and views - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| Topic 11: Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use the ORDER BY clause - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements |
| Topic 12: Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data |
| Topic 13: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Describe the background processes - Explain the memory structures (SGA, PGA) |
| Topic 14: Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings |
| Topic 15: Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator - Use the LIKE and IN operators |
| Topic 16: Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
직접 경로 삽입 작업에 권장되는 압축 방법은 무엇입니까?
- A. 론 스토어 압축 기본
- B. 행 저장소 압축 고급
- C. COLUMN STORE 압축 기본
- D. COLUMN STORE 압축 고급
Correct Answer: A 🗳️
실행 취소 및 실행 취소 테이블스페이스에 대한 다음 두 가지 설명 중 맞는 것은 무엇입니까?
- A. 실행 취소 세그먼트는 SYSTEM이 소유합니다.
- B. 데이터베이스에는 실행 취소 테이블스페이스를 하나만 생성할 수 있습니다.
- C. 실행 취소 테이블스페이스는 하나의 인스턴스만 소유할 수 있습니다.
- D. 실행 취소 세그먼트는 SYSBACKUP이 소유합니다.
- E. 활성 실행 취소 테이블스페이스가 손실되면 인스턴스가 충돌합니다.
Correct Answer: C,E 🗳️
실행 취소 및 실행 취소 테이블스페이스에 대한 설명 중 올바른 두 가지는 무엇입니까?
- A. 실행 취소 세그먼트는 SYSTEM이 소유합니다.
- B. 하나의 데이터베이스에는 하나의 언두 테이블스페이스만 생성될 수 있습니다.
- C. 실행 취소 세그먼트는 SYSBACKUP에서 소유합니다.
- D. 언두 테이블스페이스는 하나의 인스턴스만 소유할 수 있습니다.
- E. 활성 실행 취소 테이블스페이스가 손실되면 인스턴스가 충돌합니다.
Correct Answer: D,E 🗳️
다음 명령을 실행합니다.
파일 시스템 /u01에서 충분한 저장 공간을 사용할 수 있습니다.
BIG_TBS 테이블스페이스에 대한 설명으로 옳은 것은 무엇입니까? (두 가지를 선택하세요.)
- A. 가장 큰 SMALLFILE 테이블스페이스보다 커야 합니다.
- B. 항상 32K 블록 크기를 갖습니다.
- C. 기본적으로 사전 관리 테이블스페이스가 됩니다.
- D. 추가 데이터 파일을 추가할 수 없습니다.
- E. 데이터 파일에 대해 AUTOEXTEND가 가능합니다.
Correct Answer: A,E 🗳️
데이터베이스 인스턴스는 PFILE로 시작됩니다.
다음 매개변수를 검토합니다.
버퍼 캐시의 크기를 늘리려고 합니다.
여유 메모리는 버퍼 캐시의 크기를 늘리는 데 사용할 수 있습니다.
다음 명령을 실행합니다.
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
결과는 무엇입니까?
- A. 현재 인스턴스에 변경 사항이 적용되지만 인스턴스 재시작 후 지속되지 않음
- B. SCOPE 절이 없기 때문에 실패합니다.
- C. 값은 PFILE에서만 변경되며 다음 인스턴스 시작 시 적용됩니다.
- D. 현재 인스턴스와 PFILE에 대한 값이 변경됩니다.
Correct Answer: A 🗳️
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