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Who should take the Oracle 1z0-082: Oracle Database Administration I Exam
This course is designed for Database Administrators and Database production Systems Administrators.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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How to Prepare for Oracle 1z0-082: Oracle Database Administration 1 Exam
Preparation Guide for Oracle 1z0-082: Oracle Database Administration 1 Exam
Introduction
Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle's applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.
Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: 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 |
| Topic 2: Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Define subqueries - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators |
| Topic 3: Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Describe tablespaces and data files - Create and manage tablespaces - Describe the logical and physical database structures |
| Topic 4: Managing Data in Different Time Zones | - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Topic 5: Using Single-Row Functions to Customize Output | - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL |
| Topic 6: Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts |
| Topic 7: Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Describe different types of joins and their features |
| Topic 8: Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions |
| Topic 9: Introduction to Oracle Database | - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture |
| Topic 10: Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Use the LIKE and IN operators - Sort data using the ORDER BY clause |
| Topic 11: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Topic 12: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Describe how schema objects work |
| Topic 13: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 14: Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views |
| Topic 15: Working with Oracle Cloud Exadata Express Cloud Service | - 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 - Navigate the Exadata Express Cloud Service console |
| Topic 16: Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
작업을 수행하려면 abc.sql 스크립트를 실행해야 합니다.
이 데이터베이스에 정의된 데이터베이스 사용자 HR은 다음 명령을 실행합니다.
$ sqlplus 시간/시간@orcl @abc.sql
실행 시 어떻게 됩니까?
- A. 명령이 성공하고 HR이 orcl 데이터베이스 인스턴스에 연결되고 abc.sql 스크립트가 실행됩니다.
- B. 명령이 성공하고 HR이 orcl 및 abc.sql 데이터베이스에 연결됩니다.
- C. 스크립트가 전체 경로 이름을 참조해야 하므로 명령이 실패합니다.
- D. @가 두 번 사용되었기 때문에 명령이 실패하고 오류를 보고합니다.
Correct Answer: A 🗳️
실행 취소 및 실행 취소 테이블스페이스에 대한 다음 두 가지 설명 중 맞는 것은 무엇입니까?
- A. 데이터베이스에는 실행 취소 테이블스페이스를 하나만 생성할 수 있습니다.
- B. 활성 실행 취소 테이블스페이스가 손실되면 인스턴스가 충돌합니다.
- C. 실행 취소 세그먼트는 SYSBACKUP이 소유합니다.
- D. 실행 취소 세그먼트는 SYSTEM이 소유합니다.
- E. 실행 취소 테이블스페이스는 하나의 인스턴스만 소유할 수 있습니다.
Correct Answer: B,E 🗳️
Oracle Database의 세 가지 세그먼트 유형은 무엇입니까? (3개를 선택하세요.)
- A. 클러스터
- B. 인덱스
- C. 시퀀스
- D. 테이블
- E. 취소
- F. 저장 프로시저
Correct Answer: A,B,D 🗳️
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지연 세그먼트 생성을 지원하는 객체 유형 세 가지는 무엇입니까? (세 가지를 선택하십시오.)
- A. 클러스터형 테이블
- B. 힙 구성 테이블
- C. 외부 테이블
- D. 임시 테이블
- E. 인덱스 구성 테이블
- F. 파티션된 테이블
Correct Answer: B,E,F 🗳️
고객 테이블에는 varchar2 데이터 유형의 cust_last_name 열이 있습니다.
테이블에는 "jst_last_name 값이 Andersen 및 Ausson인 두 개의 행이 있습니다.
첫 번째 행에 Oder, 두 번째 행에 Aus를 포함하는 cust_last_xame에 대한 출력을 생성하는 쿼리는 무엇입니까?
- A. SELECT REPLACE(REPLACE(cust_last_name, 'son', ''), 'An', 'O'> FROM 고객;
- B. 고객으로부터 REPLACE<TRIM<TRAILING 'son* FROM cust_last_name), 'An', *O'> 선택;
- C. SELECT REPLACE(SUBSTR(cust_last_name, -3), 'An', 'O') FROM 고객;
- D. SELECT INITCAP (REPLACE(TRIM('son' FROM cust_last_name), 'An', 'O*)) FROM 고객;
Correct Answer: B 🗳️
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