Oracle 1Z0-082 : Oracle Database Administration I

  • Exam Code: 1Z0-082
  • Exam Name: Oracle Database Administration I
  • Updated: Oct 15, 2026
  • Q & A: 165 Questions and Answers

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Introduction

Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle's applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.

Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.

Introduction to Oracle 1z0-082: Oracle Database Adminstration 1 Exam

Oracle Database 12c: RAC and Grid Infrastructure Administration Exam assess the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.

Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.

The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.

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Oracle 1Z0-082 Exam Syllabus Topics:

SectionObjectives
Using Single-Row Functions to Customize Output- Describe various types of functions available in SQL
- Use character, number, and date functions in SELECT statements
- Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE)
- Use CASE and DECODE for conditional expressions
Using Conversion Functions and Conditional Expressions- Use nested functions
- Apply the NVL, NULLIF, and COALESCE functions
- Use the CAST function for data type conversion
- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
Introduction to Oracle Database- Explain database storage structures (data blocks, segments, tablespaces, data files)
- Describe Oracle Database architecture
- Explain Oracle Database server architecture
- Describe Oracle Database instance and memory structures
- Describe Oracle Database Cloud Service (DBCS) architecture and features
- Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others)
Managing Data in Different Time Zones- Explain the concepts of time zones and daylight savings
- Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP)
- Use various datetime data types (DATE, TIMESTAMP, INTERVAL)
Restricting and Sorting Data- Use the LIKE and IN operators
- Sort data using the ORDER BY clause
- Use the NULL operators (IS NULL, IS NOT NULL)
- Use comparison operators and logical operators (AND, OR, NOT)
- Use the BETWEEN comparator
- Use the WHERE clause to limit retrieved rows
Understanding Oracle Database Architecture - Oracle Database Instance- Explain the memory structures (SGA, PGA)
- Describe the background processes
- Understand Oracle Database instance management
Reporting Aggregated Data Using the Group Functions- Describe group functions (AVG, SUM, MIN, MAX, COUNT)
- Use the HAVING clause to filter grouped data
- Use the GROUP BY clause to group data
Using Subqueries to Solve Queries- Use single-row subqueries with single-row and multiple-row operators
- Use scalar subqueries in SQL
- Describe the types of subqueries (single-row, multi-row, multiple-column)
- Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL)
- Use subqueries in the WHERE clause and HAVING clause
- Define subqueries
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
- Provision and manage an Exadata Express Cloud Service instance
- Identify the prerequisites for Exadata Express Cloud Service
Understanding Oracle Database Architecture - Database Storage Structures- Manage space in tablespaces
- Create and manage tablespaces
- Describe the logical and physical database structures
- Describe tablespaces and data files
Using the Set Operators- Use set operators to combine multiple queries into a single query
- Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Managing Oracle Database Instances- Manage initialization parameter files (SPFILE, PFILE)
- Start up and shut down an Oracle Database instance
- View the alert log and access dynamic performance views
- Use the Automatic Diagnostic Repository (ADR)
Displaying Data from Multiple Tables Using Joins- Describe different types of joins and their features
- Join a table to itself using self-join
- Use Equijoins and Non-equijoins
- Use CROSS joins
- Use OUTER joins (LEFT, RIGHT, FULL)
Managing Users, Roles, and Privileges- Create and manage roles
- Differentiate system privileges and object privileges
- Create and manage database user accounts
- Grant and revoke privileges
Retrieving Data using the SQL SELECT Statement- Use scalar and correlated subqueries
- List the capabilities of SQL SELECT statements
- Use the ORDER BY clause
- Execute a basic SELECT statement
- Use SQL row functions (character, number, date, conversion, general)
- Describe how schema objects work
Managing Schema Objects- Create indexes and views
- Manage sequences and synonyms
- Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK)
- Create and modify tables

Oracle Database Administration I Sample Questions:

Question #1

Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)

  • A. The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table
  • B. External table files can be used for other external tables in a different database
  • C. The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table
  • D. The ORACLE_LOADER access driver can be used to unload data from a database into an external table
  • E. They cannot be partitioned
  • F. They support UPDATEs but not INSERTs and DELETEs
Reveal Solution  Discussion  0

Correct Answer: B,D,F  🗳️

Question #2

You must create a tablespace of non-standard block size in a new file system and plan to use this command:

The standard block size is 8k but other non-standard block sizes will also be used. Which two are requirements for this command to succeed?

  • A. db_32r_cache_si2e must be less than db_ca=he_size.
  • B. db_32k_cache_size must be set to a value that can be accommodated in the SGA.
  • C. d3_32k_cache_size should be set to a value greater than db_cache_size.
  • D. db_cache_s:ze must be set to a size that is smaller than db_32k_cache_size.
  • E. The /u02 file system must have at least lOOg space for the datafile.
  • F. The operating system must use a 32k block size.
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #3

Examine this description of the TRANSACTIONS table:

Which two SQL statements execute successfully? (Choose two.)

  • A. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;
  • B. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;
  • C. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100
    "DUES AMOUNT" FROM transactions;
  • D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
  • E. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES AMOUNT' FROM transactions;
Reveal Solution  Discussion  0

Correct Answer: A,B  🗳️

Question #4

Examine the description of the employees table:

Which query requires explicit data type conversion?

  • A. SELECT SUBSTR<join_date, 1, 2) - 10 FROM employees;
  • B. SELECT join_date + '20' FROM employees; SELECT salary * '120.50' FROM employees;
  • C. SELECT join_date I I ' ' II salary FROM employees;
  • D. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

Which three object types support deferred segment creation? (Choose three.)

  • A. partitioned tables
  • B. external tables
  • C. temporary tables
  • D. clustered tables
  • E. heap organized tables
  • F. index organized tables
Reveal Solution  Discussion  0

Correct Answer: A,E,F  🗳️

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