Oracle 1z0-082-KR - Oracle Database Administration I (1z0-082 Korean Version)
Updated: Jul 24, 2026
Q & A: 165 Questions and Answers
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Updated: Jul 24, 2026
Q & A: 165 Questions and Answers
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The Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam. After earning this certification, you will gain the skills of installing, setup, backup and recovering, tuning, and monitoring these components. Self-study courses are great sources for the preparation of the Exam, but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
Preparation Guide for Oracle 1z0-082: Oracle Database Administration 1 Exam
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.
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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.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
| Section | Objectives |
|---|---|
| Topic 1: Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Manage space in tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures |
| Topic 2: Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) |
| Topic 3: Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data |
| Topic 4: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use the ORDER BY clause - Execute a basic SELECT statement - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements |
| Topic 5: Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements |
| Topic 6: 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 7: 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 8: Managing Schema Objects | - Create and modify tables - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| Topic 9: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
| Topic 10: Using Conversion Functions and Conditional Expressions | - 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 - Use nested functions |
| Topic 11: Managing Users, Roles, and Privileges | - Create and manage database user accounts - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage roles |
| Topic 12: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Topic 13: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 14: Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Describe different types of joins and their features - Use CROSS joins - Use Equijoins and Non-equijoins |
| Topic 15: Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Define subqueries - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators |
| Topic 16: Introduction to Oracle Database | - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - 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 instance and memory structures |
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