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Hi All,
I have read the attached PPT and I understand how data stored in QVW.
Basically it is a two level storage
Level 1 : Unique values for all columns
Level 2 : Mapping table with Pointers.
Now I have a question about Level 2.
Let us say we have one fact table and 4 dimension table in our data model QVW.
Now will we have only one mapping table for all the table ( 1 fact + 4 dimensions ) ?
Or
Separate Mapping table for each table ?
Thanks,
Chiru
See this blog post: Symbol Tables and Bit-Stuffed Pointers
Each field will get a symbol table of its own and there will be five tables with pointers to the symbol tables.
Thanks Gysbert,
It answered all my questions related to QVW storage.
Thanks,
Chiru.