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Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - Execute a basic SELECT statement - Describe how schema objects work - Use the ORDER BY clause - List the capabilities of SQL SELECT statements |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Manage space in tablespaces - Describe tablespaces and data files - Create and manage tablespaces |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions |
| 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 |
| Displaying Data from Multiple Tables Using Joins | - Join a table to itself using self-join - Use CROSS joins - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) |
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles |
| Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture |
| Managing Schema Objects | - Create and modify tables - Create indexes and views - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
| Using Subqueries to Solve Queries | - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - 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 |
| Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators - Sort data using the ORDER BY clause |
| 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 |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
CUSTOMERS 테이블에는 데이터 형식이 NUMBER인 CUST_CREDIT_LIMIT 열이 있습니다.
다음 두 쿼리 중 성공적으로 실행되는 것은 무엇입니까? (두 개를 선택하십시오.)
- A. SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), `Not Available') FROM customers;
- B. SELECT NVL2(cust_credit_limit * .15, `Not Available') FROM customers;
- C. SELECT TO_CHAR(NVL(cust_credit_limit * .15, `Not Available')) FROM customers;
- D. SELECT NVL(cust_credit_limit * .15, `Not Available') FROM customers;
- E. SELECT NVL(TO_CHAR(cust_credit_limit * .15), `Not Available') FROM customers;
Correct Answer: B,E 🗳️
Oracle 데이터베이스의 Deferred Segment Creation에 대한 설명으로 옳은 것은 무엇입니까?
- A. 로컬에서 관리되는 테이블스페이스에 포함된 IOT(Index Organized Tables)에 대해 지원됩니다.
- B. 인덱스는 상위 테이블에서 지연 또는 즉시 세그먼트 생성 속성을 상속합니다.
- C. 테이블 및 인덱스의 기본 동작입니다.
- D. 로컬에서 관리되는 테이블스페이스에 포함된 SYS 소유 테이블에 대해 지원됩니다.
- E. 세션은 지연된 세그먼트 생성에서 즉각적인 세그먼트 생성으로 동적으로 전환될 수 있습니다.
Correct Answer: B,C,E 🗳️
지연 세그먼트 생성을 지원하는 객체 유형 세 가지는 무엇입니까? (세 가지를 선택하십시오.)
- A. 파티션된 테이블
- B. 인덱스 구성 테이블
- C. 클러스터형 테이블
- D. 외부 테이블
- E. 임시 테이블
- F. 힙 구성 테이블
Correct Answer: A,B,F 🗳️
데이터베이스용 DBCA를 사용하여 수행할 수 있는 두 가지 작업은 무엇입니까? (두 가지를 선택하세요.)
- A. 새 데이터베이스에 대한 비표준 블록 크기 구성
- B. 사용 가능한 Enterprise Manager 관리 서버에 새 데이터베이스를 등록합니다.
- C. 기존 데이터베이스에 대해 플래시백 데이터베이스 활성화
- D. 기존 데이터베이스의 표준 블록 크기 변경
- E. 새 데이터베이스에 대한 증분 백업 구성
Correct Answer: B,D 🗳️
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기본 및 외래 키 제약 조건과 이들이 테이블 데이터에 미칠 수 있는 영향과 관련하여 참인 네 가지 설명은 무엇입니까? (네 가지를 선택하세요.)
- A. 외래 키가 있는 자식 행은 부모 행이 삭제될 때 자식 테이블에서 자동으로 삭제될 수 있습니다.
- B. 외래 키가 있는 자식 행은 부모 행이 삭제될 때 자식 테이블에 남아 있을 수 있습니다.
- C. 테이블은 하나의 기본 키와 하나의 외래 키만 가질 수 있습니다.
- D. 테이블은 하나의 기본 키만 가질 수 있지만 여러 개의 외래 키를 가질 수 있습니다.
- E. 열 및 테이블 수준에서 기본 키만 정의할 수 있습니다.
- F. 외래 키 열과 상위 테이블 기본 키 열은 이름이 같아야 합니다.
- G. 열 및 테이블 수준 모두에서 기본 키 및 외래 키 제약 조건을 정의할 수 있습니다.
Correct Answer: A,D,F,G 🗳️
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