- What is bigData ?
- How is it bigData differnet from Data Warehouse ?
- What kind of data sources categorize into bigData ?
- Why is it required to have a different kind of software/hardware solutions to handle bigData ?
- What kind of solutions are being developed to handle bigData ?
- What is hadoop ? Is this same as bigData ? different ? how ?
- What are the upcoming new technology suites for handling bigData ?
Sunday, January 8, 2012
Sunday, January 1, 2012
- What are aggregates and why do you need them ?
- What is the role of a logical data modeler and physical data modeler ?
- How do you gather requirements for creating data model ?
- What is the naming convention you follow ?
- What are the different notations that can be used ?
- What is cardinality ?
- What are identifying and non identifying relationships ?
- Why do you need reports from data model ?
- What kind of Meta data do you capture in a data model ?
Other useful links - helps in finding answers -