Oracle 1Z0-082 : Oracle Database Administration I
- Exam Code: 1Z0-082
- Exam Name: Oracle Database Administration I
- Updated: Oct 11, 2026
- Q & A: 165 Questions and Answers
About Oracle 1Z0-082 Exam
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Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Average Salary for Oracle 1z0-082: Oracle Database Administration 1 Exam
Oracle Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-068 Exam Certified professional in:
- Europe - 80,000 Euro
- India - 69,96,000 16,42,330 INR
- England - 71,000 POUND
- United State - 94,000 USD
Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries to Solve Queries | - 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 - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators |
| Topic 2: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes |
| Topic 3: 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 4: Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service |
| Topic 5: Introduction to Oracle Database | - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) |
| Topic 6: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use scalar and correlated subqueries - Use the ORDER BY clause - Execute a basic SELECT statement |
| Topic 7: Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create indexes and views - Create and modify tables |
| Topic 8: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 9: Using Conversion Functions and Conditional Expressions | - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions |
| 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: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Describe the logical and physical database structures - Create and manage tablespaces - Manage space in tablespaces |
| Topic 12: Restricting and Sorting Data | - 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 BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) |
| Topic 13: Displaying Data from Multiple Tables Using Joins | - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Use CROSS joins |
| Topic 14: Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) |
| Topic 15: 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 16: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) |
Oracle Database Administration I Sample Questions:
Which two types of files are opened by a database instance in the NOMOUNT state?
- A. data files
- B. the alert log
- C. the initialization parameter file
- D. control files
- E. online redo logs
Correct Answer: A,C 🗳️
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Configure a nonstandard block size for a new database
- B. Register a new database with an available Enterprise Manager Management server
- C. Enable flashback database for an existing database
- D. Configure incremental backups for a new database
- E. Change the standard block size of an existing database
Correct Answer: B,E 🗳️
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You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using
conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan
remains unpaid
Which data type should you use?
- A. INTERVAL DAY TO SECOND
- B. TIMESTAMP WITH LOCAL TIMEZONE
- C. INTERVAL YEAR TO MONTH
- D. TIMESTAMP
- E. TIMESTAMP WITH TIMEZONE
Correct Answer: A 🗳️
Which two statements are true about interval data types?
- A. INTERVAL year to month columns only support monthly Intervals within a single year.
- B. INTERVAL year TO month columns support yearly intervals.
- C. INTERVAL year to month columns only support monthly intervals within a range of years.
- D. The year field in an interval year to month column must be a positive value.
- E. INTERVAL day to second columns support fractions of seconds.
- F. The value in an interval day to SECOND column can be copied into an interval year to month column.
Correct Answer: B,E 🗳️
A database is configured to use automatic undo management with temporary undo enabled.
An UPDATE is executed on a temporary table.
Where is the UNDO stored?
- A. in the undo tablespace
- B. in the SYSAUX tablespace
- C. in the SGA
- D. in the PGA
- E. in the temporary tablespace
Correct Answer: A 🗳️
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