Part 2 (3 points for each keyword, for a total of 30 points) Provide a definition...
Part 2
(3 points for each keyword, for a total of 30 points)
Provide a definition and example for the keyword listed below (100
– 150 words).
Data warehouse
Dimension
Fact
Star schema
Snowflake schema
Describe the time dimension.
Describe the grain of the data warehouse.
Define the ETL process.
Define Normalization/Denormalization
Define Business Intelligence
Homework Answers
DATA WAREHOUSE: It is basically used to store data accumulated from the company itself thereby rendering usage in data analysis.EXAMPLE: Data Mart
DIMENSION: Can be used to describe an axis in an array. EXAMPLE: One-dimensional array
STAR AND SNOWFLAKE SCHEMA: Both are basically forms of data mart and store exactly the same data with the only difference being that here in snowflakes the dimension tables are basically normalised
NORMALIZATION: Basically a process of restructuring a relational database
Add Answer to:
Part 2
(3 points for each keyword, for a total of 30
points)
Provide a definition...
Provide a definition and example for the keyword listed below Describe the grain of the data...
Provide a definition and example for the keyword listed below Describe the grain of the data warehouse. Define Normalization/Denormalization Define Business Intelligence
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