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Explain the data types present in bo n wht happens if we implement view in the designer n report?
982Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?
977Explain 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?
1036Post New Data Warehouse General Questions
What is the use of dimensional modeling in data warehousing?
Explain what are the mapping paramaters and maping variables?
Explain what are the various methods of getting incremental records or delta records from the source systems?
Explain the difference between oltp and olap?
What is core dimension?
Explain what is a cube in data warehousing concept?
What is the difference between er modeling and dimensional modeling?
What is data type of the surrogate key?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
Who needs data warehousing?
what are the other factors of the database on which the loading performance depend?
How can we schedule the graph in unix?
Explain conformed fact?
Explain what is power center repository?
what is the synchonus? wht is the diff between synchronous and asynchronous what is the diff between v1 and v2 v3 delta modes in sap ecc
