Earning the Oracle Database Administration I (1z0-082 Korean Version) credential tells employers you can work with Oracle technologies at a professional level. Prepare for the 1z0-082 Korean exam in 2026 with the 165 expert-prepared practice questions from Actual4Exams.
Oracle 1z0-082 Korean Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database Administration I |
| Exam Number: | 1Z0-082 |
| Related Certifications: | Oracle Certified Associate (OCA) - Oracle Database Administration 2019 |
| Certificate Validity Period: | Lifetime |
| Passing Score: | 64% |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | $245 USD |
| Exam Duration: | 150 minutes |
| Real Exam Qty: | 90 |
| Available Languages: | Japanese, Korean, Simplified Chinese, English |
| Sample Questions: |  |
| Exam Way: | Pearson VUE testing center or online proctored |
| Pre Condition: | No mandatory prerequisite; basic knowledge of SQL recommended. |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-administration-2019-certified-professional/trackp_DB19COCP1 |
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 2: Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings |
| Topic 3: 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 - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions |
| Topic 4: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 5: Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
| Topic 6: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Describe different types of joins and their features |
| Topic 7: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Topic 8: 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 9: Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| Topic 10: Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures - Create and manage tablespaces |
| Topic 11: Using Subqueries to Solve Queries | - 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 single-row subqueries with single-row and multiple-row operators - Use subqueries in the WHERE clause and HAVING clause - Define subqueries |
| Topic 12: Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges |
| Topic 13: Managing Schema Objects | - Manage sequences and synonyms - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views |
| Topic 14: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use scalar and correlated subqueries - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Use the ORDER BY clause |
| Topic 15: Restricting and Sorting Data | - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) |
| Topic 16: Introduction to Oracle Database | - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) |
1z0-082 Korean Exam FAQ: What Candidates Ask About Oracle Database Administration I (1z0-082 Korean Version)
The 1z0-082 Korean exam, officially known as Oracle Database Administration I (1z0-082 Korean Version), is the Oracle test that leads to the Oracle Database 19c certification at the Associate level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Oracle Certified Associate (OCA) - Oracle Database Administration 2019.
The 1z0-082 Korean exam contains 90 questions, and you have 150 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the 1z0-082 Korean exam is 64%, and the official registration fee is $245 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
No mandatory prerequisite; basic knowledge of SQL recommended.
Entry requirements can change, so confirm the latest conditions on the official exam page: https://education.oracle.com/oracle-database-administration-2019-certified-professional/trackp_DB19COCP1.
Yes. A free PDF demo of the Oracle Database Administration I (1z0-082 Korean Version) questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding 1z0-082 Korean exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Oracle Database Administration I (1z0-082 Korean Version) outline is organized into 16 domains. The first three are:
- Reporting Aggregated Data Using the Group Functions
- Using Conversion Functions and Conditional Expressions
- Using Subqueries to Solve Queries
See the complete exam topics section above for the full outline and the weighting of every domain.
Oracle Database Administration I (1z0-082 Korean Version) Sample Questions:
Question 1
UNION과 같은 SET 연산자를 사용하는 SQL 문에 대해 올바른 두 가지는 무엇입니까? (두 가지를 선택하세요.)
A. 두 번째 쿼리에서 반환된 각 열의 데이터 유형은 첫 번째 쿼리에서 반환된 해당 열의 데이터 유형과 정확히 일치해야 합니다.
B. 쿼리의 모든 SELECT 문에 대해 열 이름과 열 수가 동일해야 합니다.
C. 열의 수는 이름이 아니라 쿼리의 모든 SELECT 문에 대해 동일해야 합니다.
D. 두 번째 쿼리에서 반환된 각 열의 데이터 유형 그룹은 첫 번째 쿼리에서 반환된 해당 열의 데이터 유형과 일치해야 합니다.
E. 두 번째 쿼리에서 반환된 각 열의 데이터 형식은 첫 번째 쿼리에서 반환된 해당 열의 데이터 형식으로 암시적으로 변환될 수 있어야 합니다.
Question 2
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. cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객을 선택합니다WHERE cust_income_level이 NUL이 아니며 cust_credit_limit가 NULL이 아닙니다.
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객WHERE cust_income_level != NULLAND due_amount != NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM 고객WHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;
Question 3
SELECT 문의 WHERE 및 HAVING 절에 대해 참인 두 문장은 무엇입니까? (두 가지를 선택하세요.)
A. WHERE 절을 사용하여 행을 그룹으로 나누기 전에 제외할 수 있습니다.
B. WHERE 및 HAVING 절은 서로 다른 테이블 열에 적용되는 경우에만 동일한 문에서 사용할 수 있습니다.
C. HAVING 절에서 사용되는 집계 함수 및 열은 쿼리의 SELECT 목록에 지정되어야 합니다.
D. HAVING 절은 하위 쿼리에서 집계 함수와 함께 사용할 수 있습니다.
E. WHERE 절을 사용하여 행을 그룹으로 나눈 후 제외할 수 있습니다.
Question 4
INVOICE 테이블에는 데이터 형식이 NUMBER인 QTY_SOLD 열과 데이터 형식이 DATE인 INVOICE_DATE 열이 있습니다.
NLS_DATE_FORMAT이 DD-MON-RR로 설정되어 있습니다.
쿼리 표현식에서 이러한 열과 관련된 데이터 형식 변환에 대해 다음 중 두 가지가 사실입니다.
(두 개를 선택하세요.)
A. 송장 날짜 > '01-02-2019' : 암시적 변환을 사용합니다
B. 판매 수량이 `101`과 `110` 사이인 경우: 암시적 변환을 사용합니다.
C. invoice_date = '2019년 3월 15일' : 암시적 변환을 사용합니다
D. qty_sold = `0554982'는 암시적 변환을 사용합니다.
E. CONCAT(판매량, 송장 날짜) : 명시적 변환이 필요합니다
Question 5
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. UNUSED로 설정된 열은 여전히 테이블당 1000개 열 제한에 포함됩니다.
C. CASCADE 옵션을 사용하면 다른 열에서 외래 키로 참조하는 기본 키 열을 삭제할 수 있습니다.
D. DROP COLUMN 명령을 롤백할 수 있습니다.
E. 파티션 키 열을 삭제할 수 없습니다.
F. UNUSED 열의 공간은 해당 열이 포함된 행이 다음에 쿼리될 때 자동으로 회수됩니다.
Solutions:
| Question 1 Answer: A,D | Question 2 Answer: B | Question 3 Answer: A,D | Question 4 Answer: B,C | Question 5 Answer: A,B,C |
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