What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- Section 1: 60%
- Section 2: 45%
- Section 3: 33%
- There is a time limit of 140 minutes for the exam.
- This exam is offered in only English.
- The type of questions is Multiple Choice Questions.
- This exam consists of 90 questions.
- Passing score:
- Certification Validity period : 3 years.
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.
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- Oracle Database 12c: ASM Administration and
- Oracle Database 12c: RAC Administration
- Oracle Database 12c: Clusterware Administration and
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Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use nested functions |
| Topic 2: Using Subqueries to Solve Queries | - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) |
| Topic 3: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 4: Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service |
| Topic 5: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Describe different types of joins and their features - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) |
| Topic 6: Using Single-Row Functions to Customize Output | - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements |
| Topic 7: 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 |
| Topic 8: Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts - Differentiate system privileges and object privileges |
| Topic 9: Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) |
| Topic 10: Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - Execute a basic SELECT statement - Describe how schema objects work - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) |
| Topic 11: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Describe the logical and physical database structures - Manage space in tablespaces |
| Topic 12: Introduction to Oracle Database | - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database instance and memory structures |
| Topic 13: Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| Topic 14: Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows |
| Topic 15: Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Topic 16: Managing Schema Objects | - Manage sequences and synonyms - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
실행 취소 및 실행 취소 테이블스페이스에 대한 설명 중 올바른 두 가지는 무엇입니까?
- A. 언두 테이블스페이스는 하나의 인스턴스만 소유할 수 있습니다.
- B. 실행 취소 세그먼트는 SYSTEM이 소유합니다.
- C. 활성 실행 취소 테이블스페이스가 손실되면 인스턴스가 충돌합니다.
- D. 실행 취소 세그먼트는 SYSBACKUP에서 소유합니다.
- E. 하나의 데이터베이스에는 하나의 언두 테이블스페이스만 생성될 수 있습니다.
Correct Answer: A,C 🗳️
단일 행 하위 쿼리와 관련하여 올바른 세 가지 설명은 무엇입니까?
- A. have 절에서 사용할 수 있습니다.
- B. where 절에서 사용할 수 있습니다.
- C. SQL 문의 오류를 방지하기 위해 행을 반환해야 합니다.
- D. SQL 문에는 여러 개의 단일 행 하위 쿼리 블록이 있을 수 있습니다.
- E. 비교 연산자 또는 조건의 오른쪽에 위치해야 합니다.
- F. 비교 연산자 또는 조건의 왼쪽에 위치해야 합니다.
Correct Answer: A,B,D 🗳️
Oracle 데이터베이스에서 삭제 및 사용되지 않는 열에 대한 설명으로 옳은 것은 무엇입니까? (3개를 선택하세요.)
- A. UNUSED 열의 공간은 해당 열이 포함된 행이 다음에 쿼리될 때 자동으로 회수됩니다.
- B. 파티션 키 열을 삭제할 수 없습니다.
- C. UNUSED 열의 공간은 해당 열이 포함된 블록이 다음에 쿼리될 때 자동으로 회수됩니다.
- D. UNUSED로 설정된 열은 여전히 테이블당 1000개 열 제한에 포함됩니다.
- E. DROP COLUMN 명령을 롤백할 수 있습니다.
- F. CASCADE 옵션을 사용하면 다른 열에서 외래 키로 참조하는 기본 키 열을 삭제할 수 있습니다.
Correct Answer: C,D,F 🗳️
복합 쿼리에서 INTERSECT 연산자를 사용한 결과에 대해 참인 두 문장은 무엇입니까? (두 가지를 선택하세요.)
- A. 복합 쿼리에서 각 SELECT의 열 수는 다를 수 있습니다.
- B. INTERSECT는 NULL을 무시합니다.
- C. 교차된 테이블의 순서를 반대로 하면 때때로 출력에 영향을 미칠 수 있습니다.
- D. 복합 질의에서 각 SELECT의 열 이름은 다를 수 있습니다.
- E. INTERSECT는 복합 쿼리의 양쪽에 공통인 행을 반환합니다.
Correct Answer: B,D 🗳️
Data Pump의 장점 두 가지는 무엇입니까? (두 가지를 선택하세요.)
- A. 테이프와 같은 순차 매체로 데이터를 내보낼 수 있습니다.
- B. 실패한 내보내기 작업을 다시 시작할 수 있습니다.
- C. 클라이언트 시스템 리소스를 사용합니다.
- D. 덤프 파일에서 데이터베이스 메타데이터 정보를 DDL 문으로 나타냅니다.
- E. 병렬로 실행될 수 있습니다.
Correct Answer: B,E 🗳️
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