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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 1Z0-068 Certification will strengthen your knowledge and skills by introducing you to a wide variety of important database features, functions, and tasks. Oracle Database certification trains you on how to perform complex, hands-on activities through study, labs, and practice. This certification will help you gain a better understanding and experience with Oracle RAC and Grid Infrastructure. After gaining this certification you will be able to install, maintain, tune and recover RAC databases, Clusterware, and ASM environments.
Earning this certification gives you a competitive advantage by developing a skill set that's in demand in the world. 80% of Oracle's certified people reported that certification helped them in promotion, increase in wages, or other career improvements. You will also get a digital badge that you can display on your LinkedIn profiles.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1Z0-082日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - 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 multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Topic 2: Introduction to Oracle Database | - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files) |
| Topic 3: Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for 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 |
| Topic 4: Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Create and manage database user accounts - Create and manage roles - Grant and revoke privileges |
| Topic 5: 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 6: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 7: Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators |
| Topic 8: Using Single-Row Functions to Customize Output | - 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) - Describe various types of functions available in SQL |
| Topic 9: 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 10: Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Use scalar and correlated subqueries - Execute a basic SELECT statement - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) |
| Topic 11: Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Create and manage tablespaces - Manage space in tablespaces - Describe tablespaces and data files |
| Topic 12: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 13: Managing Schema Objects | - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Manage sequences and synonyms |
| Topic 14: 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 |
| Topic 15: Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join - Describe different types of joins and their features |
| Topic 16: Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
