Question
A snowflake schema differs from a star schema mainly because:
More Data Warehousing Questions
- Which SQL keyword is used to combine results from two queries and remove duplicates?
- Which type of schema uses a central fact table connected to dimension tables?
- What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
- In a star schema, what is the main advantage of using surrogate keys in fact tables?
- Which analytics type is focused on predicting future outcomes?
- ETL stands for:
- Which SQL function returns the total number of rows in a table?
- A snowflake schema differs from a star schema mainly because:
- Which OLAP operation summarizes data along a dimension?
- Which SQL clause is used to filter records after aggregation?
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