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.
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Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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 Server Architecture
- Understanding Oracle Database Instance Configurations
- Understanding Oracle Database Memory and Process Structures
Managing Database Instances - Oracle Database: Administration Workshop
- Managing Initialization Parameter Files
- Using the Alert Log and Trace Files
- Using the Automatic Diagnostic Repository (ADR)
- Starting Up Oracle Database Instances
- Using Data Dictionary Views
- Shutting Down Oracle Database Instances
- Using Dynamic Performance Views
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Assigning Quotas to Users
- Applying the Principle of Least Privilege
- Creating and Assigning Profiles
- Managing Oracle Database Users, Privileges, and Roles
- Administering User Authentication Methods
Managing Storage - Oracle Database: Administration Workshop
- Managing Resumable Space Allocation
- Deferring Segment Creation
- Using Space-Saving Features
- Deploying Oracle Database Space Management Features
- Understanding Block Space Management
- Shrinking Segments
- Using Table and Row Compression
- Managing Different Types of Segments
Moving Data - Oracle Database: Administration Workshop
- Using External Tables
- Using Oracle Data Pump
- Using SQL Loader
Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop
- Using oracle enterprise Manager Database Express
- Using the Database Configuration Assistant (DBCA)
- Using SQL Developer
- Using SQL Plus
- Using Oracle Enterprise Manager Cloud Control
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Using Oracle Net Services Administration Tools
- Comparing Dedicated and Shared Server Configurations
- Connecting to an Oracle Database Instance
- Configuring the Oracle Net Listener
- Configuring Communication Between Database Instances
- Administering Naming Methods
Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop
- Viewing Tablespace Information
- Managing Table Data Storage
- Creating, Altering, and Dropping Tablespaces
- Implementing Oracle Managed Files
- Moving and Renaming Online Data Files
Managing Undo - Oracle Database: Administration Workshop
- Restricting and Sorting Data - Oracle Database: Introduction to SQL
- Understanding Temporary Undo
- Limiting Rows Returned in a SQL Statement
- Using the DEFINE and VERIFY commands
- Configuring Undo Retention
- Applying Rules of precedence for operators in an expression
- Comparing Undo Data and Redo Data
- Using Substitution Variables
- Understanding Transactions and Undo Data
- Storing Undo Information
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Using The DESCRIBE command
- Performing arithmetic with date data
- Nesting multiple functions
- Using Data Definition Language
- Managing Views
- Using OUTER joins
- Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
- Managing Views - Oracle Database: Introduction to SQL
- Working with INTERVAL data types
- Matching the SELECT statements
- Using Self-joins
- Using The UNION and UNION ALL operators
- Using Various Types of Joins
- Manipulating strings with character functions in SQL SELECT and WHERE clauses
- Using the ORDER BY clause in set operations
- Understanding Data Definition Language - Oracle Database: Introduction to SQL
- Using Column aliases
- Using Arithmetic expressions and NULL values in the SELECT statement
- Using The MINUS operator
- Manipulating dates with the date function
- Using The SQL SELECT statement
- Applying the NVL, NULLIF, and COALESCE functions to data
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
- Using Non-equijoins
- Using The INTERSECT operator
- Using SET Operators - Oracle Database: Introduction to SQL
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Understanding implicit and explicit data type conversion
- Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
- Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Restricting Group Results
- Managing Synonyms
- Managing Schema Objects - Oracle Database: Introduction to SQL
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Managing Database Transactions
- Managing Tables using DML statements - Oracle Database: Introduction to SQL
- Creating Groups of Data
- Managing Sequences
- Using Group Functions
- Managing Indexes
- Using Single-Row Subqueries
- Using Data Manipulation Language
- Managing Sequences, Synonyms, Indexes - Oracle Database: Introduction to SQL
- Managing constraints
- Creating and using temporary tables
- Using Multiple Row Subqueries
- Controlling transactions
Oracle Database Administration I (1Z0-082日本語版) Sample Questions:
いずれかのデータベースで、ユーザーHRのパスワードはHRMGRです。
次のステートメントを使用して、リスナーがポート1531でリッスンするデータベースインスタンスに接続します。
CONNECT HR / HRMGR @ orcl
ネームサーバーは使用されません。
ORCLについて正しい記述はどれですか？
- A. クライアント側のSERVICE_NAMESパラメーターの値である必要があります
- B. サーバーのtnsnames.oraファイル内の有効な接続記述子に解決する必要があります
- C. インスタンスHRが接続するデータベースを実行しているサーバーの名前である必要があります
- D. HRが接続したいインスタンスのデータベースの名前でなければなりません
- E. クライアントのtnsnames.oraファイル内の有効な接続記述子に解決する必要があります
Correct Answer: C 🗳️
SALESデータベースでは、DEFERRED_SEGMENT_CREATIONはTRUEです。
このコマンドを調べます：
SQL> CREATE TABLE T1（c1 INT PRIMARY KEY、c2 CLOB）;
コマンドを実行した結果、どのセグメントが作成されますか？
- A. T1、主キーのインデックスセグメント、およびLOBセグメントのみ
- B. T1のみ
- C. セグメントは作成されません
- D. T1および主キーに対してのみ作成されたインデックスセグメント
- E. T1、主キーのインデックスセグメント、LOBセグメント、およびlobindexセグメント
Correct Answer: B 🗳️
正常に実行される 2 つのクエリはどれですか?
- A. デュアルから NULLIF(100,100) を選択します。
- B. デュアルから 2TOLLIF(100, 'A') を選択します。
- C. 合体を選択します (100, 'AM FROM DUAL;
- D. デュアルから合体 (100、NULL、200) を選択します。
- E. デュアルから NULLIF(NULL, 100) を選択します。
Correct Answer: D 🗳️
このコマンドを実行します：
エクスポート操作中に、CTRL + Cを使用してジョブからデタッチし、次のコマンドを実行します。
エクスポート> STOP_JOB = immediate
ジョブを停止してもよろしいですか（[yes] / no）：yes
仕事について正しい2つのステートメントはどれですか？ （2つ選択してください。）
- A. バックグラウンドで実行し続けます
- B. 再接続して監視できます
- C. 終了します
- D. 監視できなくなりました
- E. 一時停止しており、再開できます
Correct Answer: C,D 🗳️
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データセンターでは、すべてのデータベースにOracle Managed Files（OMF）が使用されます。
すべての表領域は小さなファイルの表領域です。
SALES_Q1は、SALESデータベースの永続的なユーザー定義の表領域です。
SALESデータベースにログインしているDBAによって発行されようとしているこのコマンドを調べます。
ALTER TABLESPACE sales_q1 ADD DATAFILE;
コマンドが正常に実行されることを確認するために実行できる2つのアクションはどれですか？ （2つ選択してください。）
- A. コマンドのDATAFILE句でパスを指定し、少なくとも100Mの空きスペースがある場所を指定します。
- B. DB_RECOVERY_FILE_DESTおよびDB_CREATE_FILE_DESTがそれぞれ少なくとも50 Mbの使用可能なスペースで指定されていることを確認します。
- C. DB_RECOVERY_FILE_DESTおよびDB_CREATE_FILE_DESTがそれぞれ、少なくとも50 Mbの使用可能なスペースがある場所を指定していることを確認します。
- D. DB_CREATE_FILE_DESTが少なくとも100 Mbの使用可能なスペースがある場所を指定していることを確認します。
- E. NEXTを100Mに設定してAUTOEXTEND ON句を追加します。
Correct Answer: A,E 🗳️
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