Can we take backup when the database is opened?
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What is the difference between an ODS and a W/H?
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
Explain how to export mappings to the production environment?
Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Explain can a dimension table contains numeric values?
Explain which are the olap tools available that are supported by oracle?
what is parallel query?
In a star schema, are foreign key constraints between facts and dimensions neccessary?
What are necessary tasks to install reportnet software?
What is hash partition?
What is the working process for application.cfm?