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How to Study the Oracle 1z0-082: Oracle Database Administration I Exam
There are many ways to prepare for the Oracle 1Z0-068 Exam. Various strategies can be developed if you are planning to take this exam. Candidates can refer to various PDFs available online and even refer to online videos to prepare for the exam. Various websites are offering practice exams to help you prepare for the Exam. Certificate questions provide the most up to date 1Z0-068 exam dumps and we recommend taking the 1Z0-068 practice exams after studying. The candidates must have to take a certification course or training before giving Oracle 1Z0-068 Exam, which will also help them prepare for the exam. Candidates can also take the following recommended courses to prepare for the exam:
- Oracle Database 12c: Clusterware Administration and
- Oracle Database 12c: ASM Administration and
- Oracle Database Learning Subscription
- Oracle Database 12c: RAC Administration
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Introduction to Oracle 1z0-082: Oracle Database Adminstration 1 Exam
Oracle Database 12c: RAC and Grid Infrastructure Administration Exam assess the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.
Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.
The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.
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Oracle 1Z0-082日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries to Solve Queries | - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Topic 2: Managing Schema Objects | - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Create indexes and views |
| Topic 3: 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 4: 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 |
| Topic 5: Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Execute a basic SELECT statement - Use the ORDER BY clause |
| Topic 6: 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) |
| Topic 7: 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 |
| Topic 8: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 9: Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for 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 |
| Topic 10: Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) |
| Topic 11: Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Topic 12: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 13: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Topic 14: Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings |
| Topic 15: Introduction to Oracle Database | - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features |
| Topic 16: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join |
