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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.
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Difficulty in Writing of Oracle 1z0-082: Oracle Database Administration I Exam
Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator Certification is not the most difficult Oracle certification test but taking it without any preparation is likely to fail. Therefore, it is highly recommended that candidates should prepare well by taking 1Z0-068 practice exams. Any questions that are left unanswered will be treated as incorrect therefore you should answer all the questions after the examination of 1Z0-068 exam dumps even if you are unsure that which is the correct option, mark the most suitable option as your answer so that any question shouldn't be left as unanswered in 1Z0-068 exam dumps pdf.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
Oracle 1z0-082 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Use CROSS joins - Use Equijoins and Non-equijoins - Join a table to itself using self-join |
| Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use nested functions |
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Differentiate system privileges and object privileges - Create and manage roles - Grant and revoke privileges |
| Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| 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 |
| Introduction to Oracle Database | - Describe Oracle Database architecture - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures |
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Use scalar and correlated subqueries - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements - Use the ORDER BY clause |
| Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - 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 |
| Managing Schema Objects | - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create indexes and views |
| 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) |
| Managing Oracle Database Instances | - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) |
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces |
| Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Define subqueries |
