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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 Oracle Database Instance Configurations
- Understanding Logical and Physical Database Structures
- Understanding Oracle Database Server Architecture
- Understanding Oracle Database Memory and Process Structures
Managing Database Instances - Oracle Database: Administration Workshop
- Managing Initialization Parameter Files
- Using the Automatic Diagnostic Repository (ADR)
- Using Dynamic Performance Views
- Shutting Down Oracle Database Instances
- Using Data Dictionary Views
- Using the Alert Log and Trace Files
- Starting Up Oracle Database Instances
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Applying the Principle of Least Privilege
- Assigning Quotas to Users
- Managing Oracle Database Users, Privileges, and Roles
- Creating and Assigning Profiles
- Administering User Authentication Methods
Managing Storage - Oracle Database: Administration Workshop
- Managing Resumable Space Allocation
- Deploying Oracle Database Space Management Features
- Understanding Block Space Management
- Using Space-Saving Features
- Deferring Segment Creation
- Shrinking Segments
- Using Table and Row Compression
- Managing Different Types of Segments
Moving Data - Oracle Database: Administration Workshop
- Using SQL Loader
- Using Oracle Data Pump
- Using External Tables
Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop
- Using oracle enterprise Manager Database Express
- Using SQL Developer
- Using the Database Configuration Assistant (DBCA)
- Using Oracle Enterprise Manager Cloud Control
- Using SQL Plus
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Comparing Dedicated and Shared Server Configurations
- Connecting to an Oracle Database Instance
- Configuring Communication Between Database Instances
- Configuring the Oracle Net Listener
- Using Oracle Net Services Administration Tools
- Administering Naming Methods
Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop
- Implementing Oracle Managed Files
- Managing Table Data Storage
- Creating, Altering, and Dropping Tablespaces
- Moving and Renaming Online Data Files
- Viewing Tablespace Information
Managing Undo - Oracle Database: Administration Workshop
- Using the DEFINE and VERIFY commands
- Restricting and Sorting Data - Oracle Database: Introduction to SQL
- Storing Undo Information
- Comparing Undo Data and Redo Data
- Using Substitution Variables
- Limiting Rows Returned in a SQL Statement
- Understanding Transactions and Undo Data
- Configuring Undo Retention
- Understanding Temporary Undo
- Applying Rules of precedence for operators in an expression
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
- Manipulating strings with character functions in SQL SELECT and WHERE clauses
- Using OUTER joins
- Working with INTERVAL data types
- Using The SQL SELECT statement
- Managing Views
- Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
- Using The INTERSECT operator
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Applying the NVL, NULLIF, and COALESCE functions to data
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Nesting multiple functions
- Using Arithmetic expressions and NULL values in the SELECT statement
- Performing arithmetic with date data
- Using Column aliases
- Managing Views - Oracle Database: Introduction to SQL
- Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
- Using Various Types of Joins
- Using the ORDER BY clause in set operations
- Using The MINUS operator
- Using SET Operators - Oracle Database: Introduction to SQL
- Using The DESCRIBE command
- Understanding Data Definition Language - Oracle Database: Introduction to SQL
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
- Using Data Definition Language
- Using The UNION and UNION ALL operators
- Matching the SELECT statements
- Using Self-joins
- Using Non-equijoins
- Understanding implicit and explicit data type conversion
- Manipulating dates with the date function
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Creating Groups of Data
- Managing Database Transactions
- Controlling transactions
- Managing Tables using DML statements - Oracle Database: Introduction to SQL
- Using Single-Row Subqueries
- Managing Sequences
- Using Data Manipulation Language
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Managing Synonyms
- Using Multiple Row Subqueries
- Using Group Functions
- Creating and using temporary tables
- Restricting Group Results
- Managing constraints
- Managing Sequences, Synonyms, Indexes - Oracle Database: Introduction to SQL
- Managing Schema Objects - Oracle Database: Introduction to SQL
- Managing Indexes
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup and Recovery Concepts | 10% | - Understanding Backup and Recovery Architecture - Using RMAN for Backup and Recovery - Performing Complete and Incomplete Recovery |
| Topic 2: Managing Storage Structures | 15% | - Managing Control Files - Managing Redo Log Files - Managing Tablespaces and Data Files - Managing Undo Data |
| Topic 3: Administering User Accounts and Security | 15% | - Implementing Security Policies - Creating and Managing Users - Managing Privileges and Roles |
| Topic 4: Understanding Oracle Database Architecture | 20% | - Understanding Background Processes - Understanding Multitenant Architecture - Overview of Oracle Database Architecture - Explaining Storage Structures - Understanding Memory Structures |
| Topic 5: Managing Data and Concurrency | 10% | - Managing Locks and Concurrency - Managing Transactions - Using SQL to Manage Data |
| Topic 6: Managing Database Instances | 20% | - Managing Alert Log and Trace Files - Starting Up and Shutting Down Databases - Using Data Dictionary and Dynamic Performance Views - Using Initialization Parameters |
| Topic 7: Configuring and Managing Oracle Network | 10% | - Configuring Listener and Naming Methods - Managing Network Connections |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
SAVEPOINT에 대해 참인 두 문장은 무엇입니까? (두 가지를 선택하세요.)
- A. SAVEPOINT로 롤백하면 CREATE INDEX 문을 실행 취소할 수 있습니다.
- B. SAVEPOINT로 롤백하면 TRUNCATE 문이 실행 취소될 수 있습니다.
- C. SAVEPOINT로 롤백하면 DELETE 문을 실행 취소할 수 있습니다.
- D. 하나의 트랜잭션에서 하나의 SAVEPOINT만 발행할 수 있습니다.
- E. SAVEPOINT는 COMMIT를 발행하지 않습니다.
Correct Answer: C,E 🗳️
Oracle 데이터베이스에서 삭제 및 사용되지 않는 열에 대한 설명으로 옳은 것은 무엇입니까? (3개를 선택하세요.)
- A. UNUSED 열의 공간은 해당 열이 포함된 블록이 다음에 쿼리될 때 자동으로 회수됩니다.
- B. UNUSED 열의 공간은 해당 열이 포함된 행이 다음에 쿼리될 때 자동으로 회수됩니다.
- C. UNUSED로 설정된 열은 여전히 테이블당 1000개 열 제한에 포함됩니다.
- D. CASCADE 옵션을 사용하면 다른 열에서 외래 키로 참조하는 기본 키 열을 삭제할 수 있습니다.
- E. 파티션 키 열을 삭제할 수 없습니다.
- F. DROP COLUMN 명령을 롤백할 수 있습니다.
Correct Answer: A,C,D 🗳️
ORDER_ITEMS 테이블에는 NUMBER 데이터 유형의 ORDER_ID, UNIT_PRICE 및 QUANTITY 열이 포함되어 있습니다.
다음 SQL 문을 검토합니다.
진술 1:
SELECT MAX(단가 * 수량) "최대 주문량"
FROM order_items;
진술 2:
SELECT MAX(단가 * 수량) "최대 주문량"
FROM order_items
GROUP BY order_id;
어느 두 진술이 사실입니까?
- A. 문 1은 출력의 한 행만 반환합니다.
- B. 문 2는 출력의 여러 행을 반환할 수 있습니다.
- C. UNIT_PRICE 또는 QUANTITY에 NULL이 포함된 경우 두 문 모두 NULL을 반환합니다.
- D. 문 2는 출력의 한 행만 반환합니다.
- E. 두 문 모두 동일한 출력을 제공합니다.
Correct Answer: B,C 🗳️
TRANSACTIONS 테이블에 대한 다음 설명을 살펴보십시오.
다음 SQL 문 두 개를 선택하여 성공적으로 실행하십시오. (두 개를 고르시오.)
- A. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
- B. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;
- C. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES AMOUNT' FROM transactions;
- D. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100"DUES AMOUNT" FROM transactions;
- E. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;
Correct Answer: B,E 🗳️
온라인 세그먼트 축소에 대해 올바른 두 가지는 무엇입니까? (두 가지를 선택하세요.)
- A. 테이블을 축소하려면 PRIMARY KEY 제약 조건이 있어야 합니다.
- B. 테이블에 있는 경우 마이그레이션된 모든 행을 항상 제거합니다.
- C. ASSM(Automatic Segment Space Management)을 사용하는 테이블스페이스에 있어야 합니다.
- D. 인덱스 또는 IOT(Index Organized Tables)를 축소할 수 없습니다.
- E. 테이블을 축소하려면 UNIQUE KEY 제약 조건이 있어야 합니다.
- F. 테이블을 축소하려면 행 이동이 활성화되어 있어야 합니다.
Correct Answer: A,F 🗳️
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