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Hi,

Could any one tell me which schema (star and snow flake
schema) will take much space?

Thanks
S.A.K

Question Posted / ashakamuri

Answers were Sorted based on User's Feedback



Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / prasant tripathy

Hi

star schema takes more space then the snowflake because
star schema is denormalised schema and snowflake is
normalised

Is This Answer Correct ?    10 Yes 0 No

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / laz

The answer is STAR SCHEMA . As, the data stored in
diamensional tables of the star schema is denormalized
hence it increases the space needed for storage of data.

Is This Answer Correct ?    3 Yes 0 No

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / kranthi.kunta

Star flake schema will take more space than snow flake
schema.
Snow flake schema approach increases the number of joins
and results poor performance in data retrieval. In few
organizations, they try to normalize the dimension tables
to save space.

keke...

Is This Answer Correct ?    3 Yes 2 No

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / pratap gangula

In Star schema the dimensions can have attributes that may have low cardinality which when separated out in other table will decrease the storage space.

Is This Answer Correct ?    1 Yes 0 No

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / merohin27@gmail.com

star schema consists huge space then the snowflake because 
star schema is de-normalised schema and snowflake is 
normalised thus Star schema consists huge space

Is This Answer Correct ?    0 Yes 0 No

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Th..

Answer / 9885657928

Snow flake schema
why because a denormalized dimentional table splitted into
one or more tables which results in normalization of
dimentions.It hempers the Query performance due to more
number of joins.

Is This Answer Correct ?    0 Yes 2 No

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