PDF Version DemoWhat is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- Passing score:
- There is a time limit of 140 minutes for the exam.
- This exam is offered in only English.
- Section 1: 60%
- Certification Validity period : 3 years.
- The type of questions is Multiple Choice Questions.
- This exam consists of 90 questions.
- Section 3: 33%
- Section 2: 45%
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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Average Salary for Oracle 1z0-082: Oracle Database Administration 1 Exam
Oracle Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-068 Exam Certified professional in:
- Europe - 80,000 Euro
- England - 71,000 POUND
- United State - 94,000 USD
- India - 69,96,000 16,42,330 INR
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
How much Oracle 1z0-082: Oracle Database Administration I Exam Cost
The price of the Oracle 1Z0-068 Exam is USD 245, for more information related to the Oracle 1Z0-068 Exam please visit Oracle website.
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Create and manage database user accounts - Create and manage roles - Grant and revoke privileges |
| Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for 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 |
| Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the BETWEEN comparator |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use scalar subqueries in SQL - Define subqueries - Use single-row subqueries with single-row and multiple-row operators |
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files |
| 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 |
| Managing Schema Objects | - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Manage sequences and synonyms |
| 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 |
| Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use CROSS joins - Describe different types of joins and their features - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) |
| Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database instance and memory structures |
| Using Single-Row Functions to Customize Output | - 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) - Use character, number, and date functions in SELECT statements |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use the ORDER BY clause |
| 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 |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
Question #1
EM(Enterprise Manager) Express에 대해 올바른 설명 두 가지는 무엇입니까?
A. EM Express는 별도의 리포지토리 데이터베이스를 사용하여 대상 데이터베이스 메타데이터를 저장합니다.
B. EM Express의 단일 인스턴스를 사용하여 동일한 서버에서 실행되는 여러 데이터베이스를 관리할 수 있습니다.
C. EM Express를 사용하여 데이터베이스 인스턴스를 종료할 수 있습니다.
D. EM Express를 사용하여 데이터베이스 인스턴스를 시작할 수 없습니다.
E. 기본적으로 EM Express는 DBCA를 사용하여 데이터베이스를 생성한 후 데이터베이스에 사용할 수 있습니다.
Question #2
ORCL 데이터베이스의 RESUMABLE__TIMEOUT은 7200으로 설정되어 있습니다.
지연된 세그먼트 생성 = 거짓
사용자 U1은 DATA 테이블스페이스에 1MB의 할당량을 가지고 있습니다.
U1은 다음 명령을 실행합니다.
SQL> CREATE TABLE t1 AS
(객체 이름, 공유, 생성됨을 선택합니다)
dba_objects에서 가져온 것);
U1은 명령 실행 시간이 너무 오래 걸린다고 불평합니다.
데이터베이스 관리자(DBA)는 경고 로그에서 다음과 같은 내용을 발견했습니다.
2017년 3월 6일 12시 15분 17초 (미국 동부 표준시 기준) 183438+05:30
재개 가능한 세션의 문장 '사용자 U1(136), 세션 1, 인스턴스 1'
ORA-01536 오류(테이블스페이스의 공간 할당량 초과)로 인해 중단되었습니다.
'데이터'
DBA가 세션을 재개하기 위해 취할 수 있는 세 가지 조치는 무엇입니까? (세 가지를 선택하십시오.)
A. DATA에서 U1의 할당량을 충분히 늘리세요
B. DATA에 데이터 파일을 추가합니다.
C. DATA에 있는 다른 U1 객체를 삭제합니다.
D. DEFERRED_SEGMENT_CREATION을 TRUE로 설정합니다.
E. U1에게 무제한 테이블스페이스를 부여합니다.
F. DATA에 있는 데이터 파일에 대해 AUTOEXTEND ON을 설정합니다.
Question #3
온라인 세그먼트 축소에 대해 올바른 두 가지는 무엇입니까? (두 가지를 선택하세요.)
A. 테이블에 있는 경우 마이그레이션된 모든 행을 항상 제거합니다.
B. 인덱스 또는 IOT(Index Organized Tables)를 축소할 수 없습니다.
C. 테이블을 축소하려면 UNIQUE KEY 제약 조건이 있어야 합니다.
D. 테이블을 축소하려면 PRIMARY KEY 제약 조건이 있어야 합니다.
E. ASSM(Automatic Segment Space Management)을 사용하는 테이블스페이스에 있어야 합니다.
F. 테이블을 축소하려면 행 이동이 활성화되어 있어야 합니다.
Question #4
SALES1 테이블의 설명을 검토하십시오.
SALES2는 SALES1과 동일한 설명이 있는 테이블입니다.
일부 판매 데이터는 두 테이블 모두에서 중복됩니다.
SALES2 테이블에 없는 SALES1 테이블의 행을 표시하려고 합니다.
어떤 집합 연산자가 필요한 출력을 생성합니까?
A. 유니온 올
B. 유니온
C. 빼기
D. 교차
E. 빼기
Question #5
다음 명령을 검토하십시오.
SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT
어느 두 진술이 사실입니까?
A. 축소가 실행되는 동안 ORDERS에서 쿼리 및 DML 문이 허용됩니다.
B. 주문의 최고 수위(HWM)가 조정됩니다.
C. 축소가 실행되는 동안 ORDERS에서는 쿼리만 허용됩니다.
D. 축소 작업으로 인해 주문 세그먼트의 시작 부분부터 행이 빈 공간으로 이동됩니다.
E. 종속 인덱스가 UNUSABLE이 됩니다.
F. 축소 작업으로 인해 행이 주문 세그먼트의 끝을 향해 시작하여 빈 공간으로 이동됩니다.
Solutions:
| Question #1 Correct Answer: D,E | Question #2 Correct Answer: A,D,F | Question #3 Correct Answer: D,F | Question #4 Correct Answer: C | Question #5 Correct Answer: A,D |
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