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What is mapplet?
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Answer / giri
mapplet is group of tranformation it reusble in diffrent
mapping, ti will create in designer tool that is mapplet
designer
| Is This Answer Correct ? | 6 Yes | 2 No |
Explain differences between star and snowflake schemas?
What is a staging area? Do we need it? What is the purpose of a staging area?
Which component has onread method and what it is used for?
How can we determine what records to extract?
What is the main difference between star and snowflake star schema? Which one is better and why?
How are the dimension tables designed?
Explain how to export mappings to the production environment?
What is the difference between datawarehouse and bi?
What is aggregate awareness?
Where do we use semi and non additive facts?
What is application.cfm?
What is the extension of file to save template?
Teradata 
