Oracle 1Z0-515 : Oracle Database 11g Data Warehousing Essentials Exam
The Oracle 1Z0-515: Oracle Database 11g Data Warehousing Essentials test is a 120 minutes exam with a range of 61 questions. In order to pass this exam, a candidate is going to need to achieve a minimum passing score of 78%. There are two certifications associated with this exam: the Oracle Database 11g Data Warehousing Certified Implementation Specialist and the OPN Certified Specialist. This exam is available in the English, Chinese, and Japanese.
One of the most significant portions of the Oracle 1Z0-515 exam is going to be devoted to a comprehensive overview of Data Warehousing. Just some of the questions that a candidate will be asked include describing the benefits of a data warehouse, describing the technical characteristics of a data warehouse, describing the Oracle Database structures used primarily by a data warehouse, and explaining the use of materialized views.
Other general topics that a candidate can expect to find on the 1Z0-515 exam include data integration, data mining and analysis, sizing, and Exadata. Additionally, a candidate will be required to demonstrate a knowledge of Best Practices for Performance, such as how to employ best practices to load incremental data into a data warehouse. Additional questions about related topics may appear on the exam.