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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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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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| Section | Objectives |
|---|---|
| Topic 1: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Manage space in tablespaces - Describe the logical and physical database structures - Create and manage tablespaces |
| Topic 2: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 3: Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts - Differentiate system privileges and object privileges |
| Topic 4: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Topic 5: 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 6: Using Single-Row Functions to Customize Output | - 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) - Use character, number, and date functions in SELECT statements |
| Topic 7: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Join a table to itself using self-join - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) |
| Topic 8: 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 9: Using Conversion Functions and Conditional Expressions | - Use nested functions - 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 |
| Topic 10: Introduction to Oracle Database | - Explain Oracle Database server architecture - 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 - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture |
| Topic 11: Managing Schema Objects | - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Create and modify tables |
| Topic 12: Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) |
| Topic 13: Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - Use the ORDER BY clause - Use scalar and correlated subqueries |
| Topic 14: Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use subqueries in the WHERE clause and HAVING clause |
| Topic 15: Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - 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 |
| Topic 16: 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 |
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