What are the different types of schemas?
Answer Posted / chowdary
There are two types of shemas
1 star schema , 2 snowflake schema
star schema : a fact table related to tha dimension tables
like in the fact table it contain refernce keys of
dimension tables. and dimension tables dont related to the
other parent table . it view like a star so its call star
schema. if this use to avoid more joins
snowflake schema: a dimenion table with related to the it
hirerchi tables. like time dimensin table year dimension
table, month month dimension table, week dimension table
it view like snowflake
Is This Answer Correct ? | 23 Yes | 26 No |
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