What is hybrid slowly changing dimension?
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What are the advantages and disadvantages of reporting directly against the database?
If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
Explain what is the difference between datawarehouse and bi?
Advantages of de normalized data?
Explain why denormalization is promoted in universe designing?
Why denormalization is promoted in universe designing?
What is surrogate key? Where we use it?
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
Explain what are components of reportnet?
What does level of granularity of a fact table signify?
Explain what are the various reporting tools in the market?
what are different storage options supported by oracle ?