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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.
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 Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-068 Exam Certified professional in:
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
| Section | Objectives |
|---|---|
| Topic 1: Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Use the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) |
| Topic 2: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 3: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion |
| Topic 4: 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) |
| Topic 5: Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries |
| Topic 6: Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Manage space in tablespaces - Describe tablespaces and data files - Create and manage tablespaces |
| Topic 7: Working with Oracle Cloud 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 - Describe the features and benefits of Exadata Express Cloud Service |
| Topic 8: Introduction to Oracle Database | - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) |
| Topic 9: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Topic 10: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) |
| Topic 11: Managing Oracle Database Instances | - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) |
| Topic 12: Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Topic 13: Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Create and modify tables - Manage sequences and synonyms |
| Topic 14: Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Use scalar and correlated subqueries - Describe how schema objects work - Use the ORDER BY clause |
| Topic 15: 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 16: 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 |
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