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.
Oracle 1Z0-082 certification exam covers topics such as database architecture, installation and configuration, backup and recovery, security, and performance tuning. Candidates are also required to demonstrate proficiency in SQL, Oracle Database Administration tools, and the use of the command line interface.
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Passing the Oracle 1Z0-082 exam is a great way for database administrators to demonstrate their expertise in Oracle database administration and increase their marketability for potential job opportunities. Oracle Database Administration I certification not only enhances the credibility of the candidate but also helps them to stay up-to-date with the latest industry trends and technologies. Moreover, successful completion of 1Z0-082 exam is a prerequisite for pursuing the Oracle Certified Professional (OCP) certification track.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
Oracle 1Z0-082 exam covers a range of topics, including Oracle database architecture, backup and recovery, database security, performance tuning, and database maintenance. It consists of 80 multiple-choice questions that must be answered within a time limit of 105 minutes. 1Z0-082 exam can be taken online from anywhere in the world, and it is recommended that candidates have at least two years of experience working with Oracle databases before attempting the exam.
Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
| Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP)
- Explain the concepts of time zones and daylight savings
- Use various datetime data types (DATE, TIMESTAMP, INTERVAL)
|
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces
- Describe the logical and physical database structures
- Describe tablespaces and data files
- Manage space in tablespaces
|
| Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements
- Use scalar and correlated subqueries
- Describe how schema objects work
- Use the ORDER BY clause
- Use SQL row functions (character, number, date, conversion, general)
- Execute a basic SELECT statement
|
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
- Use set operators to combine multiple queries into a single query
|
| Using Conversion Functions and Conditional Expressions | - Use nested functions
- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Apply the NVL, NULLIF, and COALESCE functions
- Use the CAST function for data type conversion
|
| Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance
- 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
|
| Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL)
- Join a table to itself using self-join
- Use CROSS joins
- Describe different types of joins and their features
- Use Equijoins and Non-equijoins
|
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA)
- Understand Oracle Database instance management
- Describe the background processes
|
| Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files)
- Explain Oracle Database server architecture
- Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others)
- Describe Oracle Database instance and memory structures
- Describe Oracle Database Cloud Service (DBCS) architecture and features
- Describe Oracle Database architecture
|
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements
- Describe various types of functions available in SQL
- Use CASE and DECODE for conditional expressions
- Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE)
|
| Managing Users, Roles, and Privileges | - Create and manage roles
- Create and manage database user accounts
- Differentiate system privileges and object privileges
- Grant and revoke privileges
|
| Using Subqueries to Solve Queries | - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL)
- Use scalar subqueries in SQL
- Use single-row subqueries with single-row and multiple-row operators
- Define subqueries
- Use subqueries in the WHERE clause and HAVING clause
- Describe the types of subqueries (single-row, multi-row, multiple-column)
|
| Restricting and Sorting Data | - Use the LIKE and IN operators
- Use the BETWEEN comparator
- Sort data using the ORDER BY clause
- Use the WHERE clause to limit retrieved rows
- Use the NULL operators (IS NULL, IS NOT NULL)
- Use comparison operators and logical operators (AND, OR, NOT)
|
| 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
|
| Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK)
- Create indexes and views
- Manage sequences and synonyms
- Create and modify tables
|
| 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
|