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Introduction to Oracle 1z0-082: Oracle Database Adminstration 1 Exam
Oracle Database 12c: RAC and Grid Infrastructure Administration Exam assess the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.
Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.
The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Topics of Oracle 1z0-082: Oracle Database Administration I Exam
The Oracle 1Z0-068 practice exams the abilities and knowledge of the candidates by checking the following objectives of 1z0-068 exam dumps:
Understanding Oracle Database Architecture - Oracle Database: Administration Workshop
- Understanding Logical and Physical Database Structures
- Understanding Oracle Database Memory and Process Structures
- Understanding Oracle Database Instance Configurations
- Understanding Oracle Database Server Architecture
Managing Database Instances - Oracle Database: Administration Workshop
- Using Dynamic Performance Views
- Using the Automatic Diagnostic Repository (ADR)
- Using Data Dictionary Views
- Shutting Down Oracle Database Instances
- Managing Initialization Parameter Files
- Using the Alert Log and Trace Files
- Starting Up Oracle Database Instances
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Administering User Authentication Methods
- Assigning Quotas to Users
- Creating and Assigning Profiles
- Managing Oracle Database Users, Privileges, and Roles
- Applying the Principle of Least Privilege
Managing Storage - Oracle Database: Administration Workshop
- Shrinking Segments
- Understanding Block Space Management
- Managing Different Types of Segments
- Deploying Oracle Database Space Management Features
- Using Table and Row Compression
- Using Space-Saving Features
- Managing Resumable Space Allocation
- Deferring Segment Creation
Moving Data - Oracle Database: Administration Workshop
- Using Oracle Data Pump
- Using External Tables
- Using SQL Loader
Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop
- Using oracle enterprise Manager Database Express
- Using Oracle Enterprise Manager Cloud Control
- Using SQL Plus
- Using the Database Configuration Assistant (DBCA)
- Using SQL Developer
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Comparing Dedicated and Shared Server Configurations
- Administering Naming Methods
- Configuring the Oracle Net Listener
- Using Oracle Net Services Administration Tools
- Configuring Communication Between Database Instances
- Connecting to an Oracle Database Instance
Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop
- Implementing Oracle Managed Files
- Moving and Renaming Online Data Files
- Creating, Altering, and Dropping Tablespaces
- Managing Table Data Storage
- Viewing Tablespace Information
Managing Undo - Oracle Database: Administration Workshop
- Applying Rules of precedence for operators in an expression
- Comparing Undo Data and Redo Data
- Configuring Undo Retention
- Using Substitution Variables
- Understanding Temporary Undo
- Using the DEFINE and VERIFY commands
- Limiting Rows Returned in a SQL Statement
- Restricting and Sorting Data - Oracle Database: Introduction to SQL
- Understanding Transactions and Undo Data
- Storing Undo Information
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
- Understanding Data Definition Language - Oracle Database: Introduction to SQL
- Nesting multiple functions
- Understanding implicit and explicit data type conversion
- Using Various Types of Joins
- Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
- Using OUTER joins
- Manipulating dates with the date function
- Using Column aliases
- Managing Views - Oracle Database: Introduction to SQL
- Matching the SELECT statements
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Using Arithmetic expressions and NULL values in the SELECT statement
- Applying the NVL, NULLIF, and COALESCE functions to data
- Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
- Using SET Operators - Oracle Database: Introduction to SQL
- Using Non-equijoins
- Using The SQL SELECT statement
- Using The DESCRIBE command
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Using the ORDER BY clause in set operations
- Using Data Definition Language
- Using The UNION and UNION ALL operators
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
- Working with INTERVAL data types
- Manipulating strings with character functions in SQL SELECT and WHERE clauses
- Performing arithmetic with date data
- Using Self-joins
- Using The MINUS operator
- Using The INTERSECT operator
- Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Managing Views
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Managing Indexes
- Managing Synonyms
- Managing constraints
- Creating Groups of Data
- Controlling transactions
- Managing Sequences
- Restricting Group Results
- Using Group Functions
- Managing Database Transactions
- Managing Schema Objects - Oracle Database: Introduction to SQL
- Managing Tables using DML statements - Oracle Database: Introduction to SQL
- Managing Sequences, Synonyms, Indexes - Oracle Database: Introduction to SQL
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Using Multiple Row Subqueries
- Using Single-Row Subqueries
- Using Data Manipulation Language
- Creating and using temporary tables
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Configuring and Managing Oracle Network | 10% | - Configuring Listener and Naming Methods - Managing Network Connections |
| Managing Storage Structures | 15% | - Managing Undo Data - Managing Redo Log Files - Managing Tablespaces and Data Files - Managing Control Files |
| Understanding Oracle Database Architecture | 20% | - Understanding Multitenant Architecture - Understanding Background Processes - Overview of Oracle Database Architecture - Understanding Memory Structures - Explaining Storage Structures |
| Managing Database Instances | 20% | - Using Initialization Parameters - Starting Up and Shutting Down Databases - Using Data Dictionary and Dynamic Performance Views - Managing Alert Log and Trace Files |
| Backup and Recovery Concepts | 10% | - Understanding Backup and Recovery Architecture - Using RMAN for Backup and Recovery - Performing Complete and Incomplete Recovery |
| Administering User Accounts and Security | 15% | - Implementing Security Policies - Creating and Managing Users - Managing Privileges and Roles |
| Managing Data and Concurrency | 10% | - Managing Locks and Concurrency - Using SQL to Manage Data - Managing Transactions |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
Oracle Net Services를 구성하는 데 사용되는 도구에 대한 설명으로 옳은 것은 무엇입니까? (3개를 선택하세요.)
- A. Oracle Net Manager를 사용하여 데이터베이스 서버에서 이름 지정 방법을 로컬로 구성할 수 있습니다.
- B. Oracle Net Configuration Assistant는 Oracle 설치 프로그램을 실행할 때만 사용됩니다.
- C. Oracle Net Manager를 사용하여 모든 데이터베이스 서버 대상에서 리스너를 중앙에서 구성할 수 있습니다.
- D. Enterprise Manager Cloud Control을 사용하여 모든 데이터베이스 서버 대상에 대한 네트 서비스 이름을 중앙에서 구성할 수 있습니다.
- E. lsnrctl 유틸리티를 시작하려면 listener.ora 파일이 있어야 합니다.
- F. Enterprise Manager Cloud Control을 사용하여 관리되는 모든 데이터베이스 서버에서 리스너를 중앙에서 구성할 수 있습니다.
Correct Answer: A,C,F 🗳️
NLS_DATE_FORMAT이 DD-MON-YYYY HH24:MI:SS로 설정된 세션의 날짜/시간 함수에 대해 참인 두 문장은 무엇입니까? (두 가지를 선택하세요.)
- A. CURRENT_TIMESTAMP는 CURRENT_DATE와 동일한 날짜를 반환합니다.
- B. SYSDATE 및 CURRENT_DATE는 데이터베이스 서버의 운영 체제에 설정된 현재 날짜 및 시간을 반환합니다.
- C. SYSDATE는 기본 날짜 형식이 DD-MON-RR인 경우에만 식에서 사용할 수 있습니다.
- D. CURRENT_TIMESTAMP는 소수 초의 추가 세부 정보와 함께 SYSDATE와 동일한 날짜 및 시간을 반환합니다.
- E. CURRENT_DATE는 세션 시간대에 따라 현재 날짜와 시간을 반환합니다.
- F. SYSDATE는 DUAL 테이블에서만 쿼리할 수 있습니다.
Correct Answer: E,F 🗳️
Oracle Optimizer에 대한 설명 중 맞는 것은 세 가지입니다. (세 가지를 선택하세요.)
- A. 이전 실행에서 최적화되지 않은 계획이 감지된 후 실행 계획을 다시 최적화할 수 있습니다.
- B. 특정 SQL 문에 대한 SQL 실행 계획 지시문만 생성합니다.
- C. 관련 스키마 객체, 시스템 및 세션 매개변수, 데이터 사전에서 찾은 정보를 기반으로 SQL 문에 대한 실행 계획을 생성합니다.
- D. 데이터 사전에서 오래된 객체 통계를 업데이트합니다.
- E. 최적의 테이블 조인 순서와 방법을 결정합니다.
- F. SELECT 문만 최적화할 수 있습니다.
Correct Answer: C,E,F 🗳️
NOMOUNT 상태에서 수행할 수 있는 두 가지 작업은 무엇입니까? (두 가지를 선택하십시오.)
- A. 전체 데이터베이스 복구
- B. 데이터 파일 이름 변경
- C. 온라인 리두 로그 아카이빙 활성화
- D. 데이터베이스 생성
- E. 제어 파일 다시 생성
Correct Answer: D,E 🗳️
다음 명령어를 살펴보세요:
실행 취소 테이블스페이스 undotbs01 생성
데이터 파일 `undotbs_01.dbf`
사이즈 100M
자동 확장 켜짐;
UNDOTBS01이 기본 UNDO 테이블스페이스로 사용되도록 하려면 어떤 두 가지 조치를 취해야 합니까? (두 가지를 선택하십시오.)
- A. SEGMENT SPACE MANAGEMENT AUTO 절을 추가합니다.
- B. ONLINE 절을 추가합니다.
- C. NOLOGGING 절을 추가합니다.
- D. 데이터베이스가 자동 실행 취소 관리 모드로 작동하는지 확인하십시오.
- E. UNDO_TABLESPACE를 UNDOTBS01로 설정합니다.
Correct Answer: D,E 🗳️
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