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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.

Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082

Topics of Oracle 1z0-082: Oracle Database Administration I Exam

The Oracle 1Z0-068 practice exams the abilities and knowledge of the candidates by checking the following objectives of 1z0-068 exam dumps:

Understanding Oracle Database Architecture - Oracle Database: Administration Workshop

Understanding Logical and Physical Database Structures
Understanding Oracle Database Memory and Process Structures
Understanding Oracle Database Server Architecture
Understanding Oracle Database Instance Configurations

Managing Database Instances - Oracle Database: Administration Workshop

Managing Initialization Parameter Files
Using the Alert Log and Trace Files
Using Dynamic Performance Views
Using the Automatic Diagnostic Repository (ADR)
Using Data Dictionary Views
Starting Up Oracle Database Instances
Shutting Down Oracle Database Instances

Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop

Creating and Assigning Profiles
Administering User Authentication Methods
Applying the Principle of Least Privilege
Assigning Quotas to Users
Managing Oracle Database Users, Privileges, and Roles

Managing Storage - Oracle Database: Administration Workshop

Deploying Oracle Database Space Management Features
Shrinking Segments
Managing Different Types of Segments
Using Space-Saving Features
Managing Resumable Space Allocation
Understanding Block Space Management
Using Table and Row Compression
Deferring Segment Creation

Moving Data - Oracle Database: Administration Workshop

Using SQL Loader
Using External Tables
Using Oracle Data Pump

Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop

Using SQL Plus
Using oracle enterprise Manager Database Express
Using Oracle Enterprise Manager Cloud Control
Using SQL Developer
Using the Database Configuration Assistant (DBCA)

Configuring Oracle Net Services - Oracle Database: Administration Workshop

Configuring the Oracle Net Listener
Comparing Dedicated and Shared Server Configurations
Using Oracle Net Services Administration Tools
Connecting to an Oracle Database Instance
Configuring Communication Between Database Instances
Administering Naming Methods

Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop

Creating, Altering, and Dropping Tablespaces
Viewing Tablespace Information
Moving and Renaming Online Data Files
Managing Table Data Storage
Implementing Oracle Managed Files

Managing Undo - Oracle Database: Administration Workshop

Understanding Temporary Undo
Restricting and Sorting Data - Oracle Database: Introduction to SQL
Comparing Undo Data and Redo Data
Understanding Transactions and Undo Data
Using the DEFINE and VERIFY commands
Applying Rules of precedence for operators in an expression
Using Substitution Variables
Limiting Rows Returned in a SQL Statement
Storing Undo Information
Configuring Undo Retention

Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL

Manipulating numbers with the ROUND, TRUNC, and MOD functions
Matching the SELECT statements
Using SET Operators - Oracle Database: Introduction to SQL
Managing Views
Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
Using Data Definition Language
Understanding Data Definition Language - Oracle Database: Introduction to SQL
Using Non-equijoins
Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
Manipulating strings with character functions in SQL SELECT and WHERE clauses
Managing Views - Oracle Database: Introduction to SQL
Applying the NVL, NULLIF, and COALESCE functions to data
Using The DESCRIBE command
Using The MINUS operator
Using Self-joins
Using the ORDER BY clause in set operations
Using The SQL SELECT statement
Performing arithmetic with date data
Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
Using Arithmetic expressions and NULL values in the SELECT statement
Manipulating dates with the date function
Using The UNION and UNION ALL operators
Using Various Types of Joins
Using OUTER joins
Using The INTERSECT operator
Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
Nesting multiple functions
Understanding implicit and explicit data type conversion
Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
Using Column aliases
Working with INTERVAL data types

Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL

Managing Indexes
Using Group Functions
Managing Sequences
Restricting Group Results
Managing Sequences, Synonyms, Indexes - Oracle Database: Introduction to SQL
Creating Groups of Data
Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
Managing Database Transactions
Managing Tables using DML statements - Oracle Database: Introduction to SQL
Using Data Manipulation Language
Managing Schema Objects - Oracle Database: Introduction to SQL
Creating and using temporary tables
Using Multiple Row Subqueries
Managing constraints
Using Single-Row Subqueries
Controlling transactions
Managing Synonyms

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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: 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 2: Using Subqueries to Solve Queries	- Use scalar subqueries in SQL - 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 - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL)
Topic 3: Displaying Data from Multiple Tables Using Joins	- Use CROSS 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
Topic 4: Understanding Oracle Database Architecture - Oracle Database Instance	- Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes
Topic 5: Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Topic 6: Retrieving Data using the SQL SELECT Statement	- Use scalar and correlated subqueries - Describe how schema objects work - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements - Use the ORDER BY clause
Topic 7: Managing Users, Roles, and Privileges	- Create and manage database user accounts - Create and manage roles - Grant and revoke privileges - Differentiate system privileges and object privileges
Topic 8: 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)
Topic 9: Working with Oracle Cloud Exadata Express Cloud Service	- Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance
Topic 10: Managing Oracle Database Instances	- Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views
Topic 11: Understanding Oracle Database Architecture - Database Storage Structures	- Describe tablespaces and data files - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures
Topic 12: Using Conversion Functions and Conditional Expressions	- Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions
Topic 13: Reporting Aggregated Data Using the Group Functions	- Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data
Topic 14: Using Single-Row Functions to Customize Output	- Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE)
Topic 15: Restricting and Sorting Data	- Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator
Topic 16: Managing Schema Objects	- Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Create indexes and views