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- Oracle Database 12c: ASM Administration and
- Oracle Database Learning Subscription
- Oracle Database 12c: Clusterware Administration and
- Oracle Database 12c: RAC Administration
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the LIKE and IN operators |
| Topic 2: 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) |
| Topic 3: Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Manage sequences and synonyms - Create indexes and views |
| Topic 4: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Topic 5: Using Single-Row Functions to Customize Output | - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions |
| Topic 6: 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 - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions |
| Topic 7: Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Define subqueries - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Topic 8: Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges - Create and manage database user accounts |
| Topic 9: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Manage space in tablespaces - Create and manage tablespaces - Describe the logical and physical database structures |
| Topic 10: Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Topic 11: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Topic 12: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Describe the background processes - Explain the memory structures (SGA, PGA) |
| Topic 13: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 14: Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Join a table to itself using self-join |
| Topic 15: Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle Database architecture |
| Topic 16: Retrieving Data using the SQL SELECT Statement | - Describe how schema objects work - Use scalar and correlated subqueries - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
CUSTOMERS 테이블의 설명을 검토하십시오.
소득 수준에 값이 있는 고객의 경우 이름과 만기 금액을 신용 한도의 5%로 표시하려고 합니다. 미결제 금액이 null인 고객은 표시되지 않아야 합니다.
어떤 쿼리를 사용해야 합니까?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객WHERE cust_income_level != NULLAND cust_credit_level !=NULL;
- B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객WHERE cust_income_level != NULLAND due_amount != NULL;
- C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
- D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객WHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;
- E. cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객을 선택합니다WHERE cust_income_level이 NUL이 아니며 cust_credit_limit가 NULL이 아닙니다.
Correct Answer: E 🗳️
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 테이블에 남아 있을 수 있습니다.
- B. 외래 키가 있는 자식 행은 부모 행이 삭제될 때 자식 테이블에서 자동으로 삭제될 수 있습니다.
- C. 외래 키 열과 상위 테이블 기본 키 열은 이름이 같아야 합니다.
- D. 열 및 테이블 수준에서 기본 키만 정의할 수 있습니다.
- E. 열 및 테이블 수준 모두에서 기본 키 및 외래 키 제약 조건을 정의할 수 있습니다.
- F. 테이블은 하나의 기본 키와 하나의 외래 키만 가질 수 있습니다.
- G. 테이블은 하나의 기본 키만 가질 수 있지만 여러 개의 외래 키를 가질 수 있습니다.
Correct Answer: B,C,E,G 🗳️
Oracle Database의 데이터 블록 스토리지에 대한 설명으로 옳은 것은 무엇입니까?
- A. 행 데이터는 블록의 끝에서 시작하여 저장됩니다.
- B. 테이블 블록은 항상 행 데이터를 포함해야 합니다.
- C. 인덱스 블록은 행 데이터를 포함할 수 있습니다.
- D. 블록 헤더에는 블록의 모든 행을 가리키는 행 디렉토리가 포함됩니다.
- E. 데이터 블록 헤더는 고정 길이입니다.
Correct Answer: D,E 🗳️
GLOBAL TEMPORARY TABLES에 대한 설명으로 옳은 것은 무엇입니까? (3개를 선택하세요.)
- A. GLOBAL TEMPORARY TABLE의 정의는 여러 세션에서 사용할 수 있습니다.
- B. 세션에서 TRUNCATE 명령을 실행하면 실행 세션에 대한 GLOBAL TEMPORARY TABLE의 모든 행이 삭제됩니다.
- C. 세션 종료 시 존재하는 모든 GLOBAL TEMPORARY TABLE 행이 삭제됩니다.
- D. 세션에 의해 삽입된 GLOBAL TEMPORARY TABLE 행은 사용자가 테이블에 대한 선택 권한을 부여받은 다른 모든 세션에서 사용할 수 있습니다.
- E. GLOBAL TEMPORARY TABLE에 대한 DELETE 명령은 롤백할 수 없습니다.
- F. 세션 시작 시 GLOBAL TEMPORARY TABLE 공간 할당이 발생합니다.
Correct Answer: D,E,F 🗳️
SALES 데이터베이스에서 DEFERRED_SEGMENT_CREATION은 TRUE입니다.
다음 명령을 검토하십시오.
SQL> CREATE TABLE T1(c1 INT PRIMARY KEY, c2 CLOB);
명령을 실행한 결과 생성된 세그먼트는 무엇입니까?
- A. T1, 기본 키에 대한 인덱스 세그먼트, LOB 세그먼트 및 lobindex 세그먼트
- B. T1, 기본 키에 대한 인덱스 세그먼트, LOB 세그먼트만
- C. 세그먼트가 생성되지 않음
- D. T1 및 기본 키에 대해서만 생성된 인덱스 세그먼트
- E. T1 전용
Correct Answer: E 🗳️
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