Sunday, August 23, 2015

SQL Server

1.       Difference b/w SSAS and AS 2000.
2.       Fact table and dimension table
3.       Data Sources & Data Source Views -
4.       Cube Dimensions
a.       Standard Dimension
b.       Time Dimension
c.       Parent-Child Dimension
5.       Measures
a.       Adding Measure Group
b.       Measures
c.       Semi-Additive Measures
d.       Distinct Count
e.       Calculations
6.       Aggregations
7.       Partitions
8.       Hierarchies - User Hierarchy, parent child hierarchy. What are user hierarchies and attribute hierarchies?
9.       Dimension Relationships – Dimension Usage Tab
10.   How do u reference an attribute in VBScript – [$Student].[Personnel ID]
11.   Key Performance Indicators (KPIs)
12.   Actions
13.   Perspectives
14.   Cube Browser View
15.   Proactive Caching
16.   Deploying/Processing of Cube.
17.   Storage Methods – MOLAP, ROLAP & HOLAP
18.   Error handling/configurations
19.   NULL Processing/Unknown Member
20.   Translations
21.   What type of objects can u have in a DSV?
22.   What is the difference between Star schema and Snowflake schema?
23.   What are the basic things that you consider before designing a cube?
24.   How do you improve performance of a SSAS OLAP DB?
25.   How do you implement security in SSAS?
26.   What are slowly changing dimensions (SCD)? When do you use them?
27.   What are the different relationships used in dimension usage?
28.   How do you process a single partition without processing other dimensions and measures in production?
29.    What is fact-less-fact dimension? When do you use such dimension?

30.   Explain about calculated members and drill through actions.