What is surrogate key? Where we use it? Explain with examples.
No Answer is Posted For this Question
Be the First to Post Answer
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
What is freehand sql?
What is a ETL/ How does Oracle support the ETL process?
What is a hash cluster?
What is Bulk Insert?
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
What do you mean by static and local variable?
What is normalization, first normal form, second normal form, third normal form?
What is MODEL is Data mining world?
Can we have more than one time dimensions in a Schema(Star or Snowflake)
How can you import tables from a database?
What is called data cleaning?