How much Oracle 1z0-082: Oracle Database Administration I Exam Cost
The price of the Oracle 1Z0-068 Exam is USD 245, for more information related to the Oracle 1Z0-068 Exam please visit Oracle website.
What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- There is a time limit of 140 minutes for the exam.
- Section 3: 33%
- Section 2: 45%
- The type of questions is Multiple Choice Questions.
- This exam is offered in only English.
- Passing score:
- Section 1: 60%
- Certification Validity period : 3 years.
- This exam consists of 90 questions.
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle's credential withdrawal.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Managing Schema Objects | - Create and modify tables - Manage sequences and synonyms - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console |
| Retrieving Data using the SQL SELECT Statement | - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Use scalar and correlated subqueries - Use the ORDER BY clause |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces - Create and manage tablespaces |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL |
| Managing Users, Roles, and Privileges | - Create and manage roles - Create and manage database user accounts - Grant and revoke privileges - Differentiate system privileges and object privileges |
| Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions |
| Managing Oracle Database Instances | - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Join a table to itself using self-join - Use CROSS joins |
| 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) |
| Restricting and Sorting Data | - Use the BETWEEN comparator - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) |
| Introduction to Oracle Database | - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - 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) |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
Question #1
다음 명령어를 살펴보세요:
실행 취소 테이블스페이스 undotbs01 생성
데이터 파일 `undotbs_01.dbf`
사이즈 100M
자동 확장 켜짐;
UNDOTBS01이 기본 UNDO 테이블스페이스로 사용되도록 하려면 어떤 두 가지 조치를 취해야 합니까? (두 가지를 선택하십시오.)
A. 데이터베이스가 자동 실행 취소 관리 모드로 작동하는지 확인하십시오.
B. SEGMENT SPACE MANAGEMENT AUTO 절을 추가합니다.
C. ONLINE 절을 추가합니다.
D. UNDO_TABLESPACE를 UNDOTBS01로 설정합니다.
E. NOLOGGING 절을 추가합니다.
Question #2
데이터베이스 중 하나가 마운트 상태에 있는 동안 데이터 파일이 새 파일 시스템으로 이동되었기 때문에 데이터 파일의 이름이 변경되었습니다. 그런 다음 데이터베이스가 열렸습니다.
어느 두 진술이 사실입니까?
A. DBA_DATA_FILES는 데이터 파일의 원래 이름을 표시합니다.
B. DBA_DATA _FILES는 데이터 파일의 새 이름과 이전 이름을 모두 표시합니다.
C. DBA_DATA_FILES는 데이터 파일의 새 이름을 표시합니다.
D. DBA_DATA_FILES는 새 파일 이름을 표시하도록 제어 파일과 수동으로 재동기화해야 합니다.
E. V$DATAFILE은 데이터 파일의 새 이름을 표시합니다.
Question #3
sales 테이블에는 숫자 형식의 prod_id와 quantity_sold 열이 있습니다. 두 쿼리가 모두 성공적으로 실행되었습니까?
A. SELECT prod_id FROM sales WHERE quantity_scld > 55000 AND COUNT(-) > 10 GROUP BY COUNT(-) > 10;
B. SELECT COUNTlprod_id> FROM sales GROUP BY prod_id WHERE quantity_Sold > 55000;
C. SELECT COUNT|prod_id> FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id;
D. SELECT prod_id FROM sales WHERE quantity_sold > 5S000 AND COUNT(-) > 10 GROUP BY prod_id HAVING COUNT(-) > 10;
E. SELECT prod_id FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id HAVING COUNT(-) > 10;
Question #4
DUAL 테이블에 대해 참인 두 문장은 무엇입니까? (두 가지를 선택하세요.)
A. VARCHAR2 데이터 유형의 단일 행과 단일 열로 구성됩니다.
B. 여러 행과 열을 표시할 수 있습니다.
C. 모든 스키마에서 SELECT 권한을 가진 모든 사용자가 액세스할 수 있습니다.
D. SYS 사용자만 접근 가능
E. 여러 행을 표시할 수 있지만 열은 하나만 표시할 수 있습니다.
F. 상수 또는 의사 열만 표시하는 데 사용할 수 있습니다.
Question #5
Oracle 데이터베이스에서 삭제 및 사용되지 않는 열에 대한 설명으로 옳은 것은 무엇입니까? (3개를 선택하세요.)
A. 파티션 키 열을 삭제할 수 없습니다.
B. UNUSED 열의 공간은 해당 열이 포함된 블록이 다음에 쿼리될 때 자동으로 회수됩니다.
C. DROP COLUMN 명령을 롤백할 수 있습니다.
D. UNUSED 열의 공간은 해당 열이 포함된 행이 다음에 쿼리될 때 자동으로 회수됩니다.
E. CASCADE 옵션을 사용하면 다른 열에서 외래 키로 참조하는 기본 키 열을 삭제할 수 있습니다.
F. UNUSED로 설정된 열은 여전히 테이블당 1000개 열 제한에 포함됩니다.
Solutions:
| Question #1 Correct Answer: A,D | Question #2 Correct Answer: A,B | Question #3 Correct Answer: C,E | Question #4 Correct Answer: A,D | Question #5 Correct Answer: B,E,F |
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