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What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- Passing score:
- Section 2: 45%
- Certification Validity period : 3 years.
- The type of questions is Multiple Choice Questions.
- This exam is offered in only English.
- Section 1: 60%
- There is a time limit of 140 minutes for the exam.
- Section 3: 33%
- This exam consists of 90 questions.
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.
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Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries |
| Topic 2: Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features |
| Topic 3: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins - Use Equijoins and Non-equijoins - Join a table to itself using self-join |
| Topic 4: 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 |
| Topic 5: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes |
| Topic 6: 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) - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements |
| Topic 7: Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - Execute a basic SELECT statement |
| Topic 8: 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 9: Managing Schema Objects | - Manage sequences and synonyms - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views |
| Topic 10: Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance |
| Topic 11: Restricting and Sorting Data | - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use the LIKE and IN operators |
| Topic 12: Managing Users, Roles, and Privileges | - Create and manage database user accounts - Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges |
| Topic 13: Using Conversion Functions and Conditional Expressions | - Use nested functions - 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 |
| Topic 14: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console |
| Topic 15: 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 16: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
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