Explain what are the different methods of loading dimension tables?
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Explain what are the modules in power mart?
4.Explain Snowflkeschema ?
6 Answers EDS, HCL, IBM, iFlex, TCS,
Explain dimension table ?
Which is the optimized method of extracting the data.
How can we determine what records to extract?
Explain what is partitioning? What are the types of partitioning?
How to define a cube??
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
What are the different types of data warehousing?
Describe a data warehouse.
Explain what is the data type of the surrogate key?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?