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If you are looking to appear in the Oracle 1z0-082: Oracle Database Administration I Exam, you can do so by either redeeming a voucher that you have to buy from Oracle or paying directly with a credit card. After payment, you can schedule the test via Oracle's external testing provider, PearsonVue.
Oracle Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-068 Exam Certified professional in:
The Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam. After earning this certification, you will gain the skills of installing, setup, backup and recovering, tuning, and monitoring these components. Self-study courses are great sources for the preparation of the Exam, but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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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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| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries to Solve Queries | - Use single-row subqueries with single-row and multiple-row operators - 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) - Define subqueries - Use subqueries in the WHERE clause and HAVING clause |
| Topic 2: Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Topic 3: Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions |
| Topic 4: 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 |
| Topic 5: Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Create and manage roles - Create and manage database user accounts - Grant and revoke privileges |
| Topic 6: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Topic 7: 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 8: Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) |
| Topic 9: Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Topic 10: 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 |
| Topic 11: Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Topic 12: Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - Describe Oracle Database architecture |
| Topic 13: Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Use the LIKE and IN operators |
| Topic 14: Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Create and manage tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures |
| Topic 15: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 16: 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 |
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