SSAS Interview Questions and Answers
Looking for an SSAS Interview Questions for a fresher or experienced? Well, you are on the right page then. Today SSAS has a good market share and one can set his career in this field very easily with productive results. There are too many opportunities from reputed and organized companies for SQL Server Analysis Services.
Today Agile Testing is a must in every company and if you feel that SSAS Questions would get asked to you then you should refer to this blog. Below are the most commonly asked SSAS Interview Questions and Answers which were asked to fresher as well as experienced. Let us know if you find these questions helpful in achieving your goal.
Most Frequently Asked SSAS Interview Questions
Star Schemas are better as they use fewer foreign keys, more in a denormalized form which makes them better for performance.
However, both schemas depend upon the size of the data. If the data is small then star schema comes into the process on the other hand if data is large with many relationships between them then you should go for Snowflake Schemas.
There are certain enhancements for SSAS which should be applied in some area like-
- Time Intelligence applies to Cube.
- Account Intelligence applies to Dimension or Cube.
- Custom Aggregation to Dimension or Cube.
- Custom Member Formula again to Dimension or Cube.
- Dimension Intelligence applies to Dimension or Cube.
Data Mart is a subset of the data warehouse or data store that is used to support business needs for particular departments like to support certain reports.
- Dependent
- Independent
- Logical data marts are the three types of data marts.
It is an artificially generated key which is useful when the records don’t have any natural key. And not all tables need surrogate keys. The main reason to use them is they can assure that they act as unique and are represented by an auto-incrementing ID.
Follow these steps to create a cube in SQL Server-
- First Data Source should be created
- Then create a Data Source View.
- Specify Dimensions
- Create a Cube (Cube name, type, and database type should be unique )
- After deploying, process the cube.
Perspective is from which the complexity of cubes by hidden elements such as groups, dimensions can be reduced. In short, the slicing of the cube is also the same.
We have retail and hospital data and the user is only allowed to see only hospital data, then we can create perspective according to the situation.
In this article, we have gone through various SSAS Interview Questions and Answers which will try to brush up your concepts on SQL Server and other topics. You can also join an online training course for more information on the Database Server. Please feel free to write any query in the comment section.