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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.
How to book the Oracle 1z0-082: Oracle Database Administration I Exam
If you are looking to appear in the Oracle 1z0-082: Oracle Database Administration I Exam, you can do so by either redeeming a voucher that you have to buy from Oracle or paying directly with a credit card. After payment, you can schedule the test via Oracle's external testing provider, PearsonVue.
What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- Passing score:
- This exam consists of 90 questions.
- This exam is offered in only English.
- Section 1: 60%
- The type of questions is Multiple Choice Questions.
- Certification Validity period : 3 years.
- Section 3: 33%
- There is a time limit of 140 minutes for the exam.
- Section 2: 45%
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle's credential withdrawal.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
How to Prepare for Oracle 1z0-082: Oracle Database Administration 1 Exam
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.
Oracle 1Z1-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use the ORDER BY clause - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements |
| Topic 2: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 3: Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Topic 4: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Use CROSS joins - Use Equijoins and Non-equijoins |
| Topic 5: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion - Use nested functions |
| Topic 6: Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Explain Oracle Database server architecture |
| Topic 7: Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Topic 8: Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts |
| Topic 9: Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings |
| Topic 10: Restricting and Sorting Data | - Use the BETWEEN comparator - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) |
| Topic 11: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes |
| Topic 12: Managing Schema Objects | - Manage sequences and synonyms - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables |
| Topic 13: Using Subqueries to Solve Queries | - 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 subqueries in the WHERE clause and HAVING clause - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Topic 14: 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 15: Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views |
| Topic 16: Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL |
