Explain what is partitioning? What are the types of partitioning?
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What is the difference between power center & power mart?
Briefly state different between data ware house & data mart?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
What is a star schema? Why does one design this way?
What is called data cleaning?
Explain how to export mappings to the production environment?
Can we take backup when the database is opened?
Ist the schema that a data warehouse system can implements.
Explain differences between star and snowflake schemas?
What are data modeling and data mining?
ware house management system is used?
Compare aggregates and data marts