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