Microsoft 70-463 certification

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You are reviewing the design of a customer dimension table in an existing data warehouse hosted on SQL Azure.
The current dimension design does not allow the retention of historical changes to customer attributes such as Postcode.
You need to redesign the dimension to enable the full historical reporting of changes to multiple customer attributes including Postcode.
What should you do?
A. Add StartDate and EndDate columns to the customer dimension.
B Add an IsCurrent column to the customer dimension.
C. Enable Snapshot Isolation on the data warehouse.
D. Add CurrentValue and PreviousValue columns to the customer dimension.
Answer: A

You are designing an enterprise star schema that will consolidate data from three independent data marts. One of the data marts is hosted on SQL Azure.
Most of the dimensions have the same structure and content. However, the geography dimension is slightly different in each data mart.
You need to design a consolidated dimensional structure that will be easy to maintain while ensuring that all dimensional data from the three original solutions is represented.
What should you do?
A. Create a junk dimension for the geography dimension.
B. Implement change data capture.
C. Create a conformed dimension for the geography dimension.
D. Create three geography dimensions.
Answer: C

Exam 70-463 Audience Profile
The primary audience for 70-463 exam is ETL and Data Warehouse Developers.  They are most likely to focus on hands-on work creating business intelligence (BI) solutions including data cleansing, Extract Transform Load (ETL), and Data Warehouse implementation.  Their primary responsibilities may include:
•Mastering data using Master Data Services
•Cleansing data using Data Quality Services
•ETL Package development for data loading/transfer/transformation
•Data Synchronization
•One-time data or application migration
•Ad-hoc data manipulations, transformations
•Scheduling ETL jobs
•Managing, configuring and deploying SQL Server Integration Services (SSIS) packages

Exam 70-463 : Implementing a Data Warehouse with Microsoft SQL Server 2012
Published: June 11, 2012
Language(s): English, French, German, Japanese, Russian, Spanish, Portuguese (Brazil), Chinese (Simplified)
Audience(s): IT Professionals
Technology: Microsoft SQL Server 2012
Type: Proctored Exam

Exam 70-463: Implementing a Data Warehouse with Microsoft SQL Server 2012
Build Data Quality Solutions (15%)
•Install and maintain Data Quality Services.
◦This objective may include but is not limited to: installation prerequisites; .msi package; adding users to the DQ roles; identity analysis, including data governance
•Implement master data management solutions.
◦This objective may include but is not limited to: install Master Data Services (MDS); implement MDS; create models, entities, hierarchies, collections, attributes; define security roles; import/export; subscriptions
•Create a data quality project to clean data.
◦This objective may include but is not limited to: profile Online Transaction Processing (OLTP) and other source systems; data quality knowledge base management; create data quality project; use Data Quality Client; improve data quality; identity mapping and deduplicating; handle history and data quality; manage data quality/cleansing
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