How to Study the Oracle 1z0-082: Oracle Database Administration I Exam
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- Oracle Database 12c: RAC Administration
- Oracle Database 12c: Clusterware Administration and
- Oracle Database Learning Subscription
- Oracle Database 12c: ASM Administration and
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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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.
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Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views |
| Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Execute a basic SELECT statement - Describe how schema objects work |
| Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges - Create and manage database user accounts |
| Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings |
| Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Define subqueries - Use scalar subqueries in SQL - 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 |
| Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Describe the logical and physical database structures - Manage space in tablespaces |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create and modify tables - Create indexes and views |
| Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join |
| Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| 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 |
| Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture |
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