What are some examples of schema design?
Schema design refers to the structure of a database, including tables, fields, and relationships. Examples include star schema, snowflake schema, and entity-relationship diagrams.
Can you explain the star schema in more detail?
Sure! A star schema is a type of database schema that is optimized for data warehousing and reporting. It consists of a central fact table connected to multiple dimension tables, resembling a star shape.
What are the advantages of using a snowflake schema?
The snowflake schema normalizes data into multiple related tables, which can save storage space and reduce redundancy. It also allows for more complex queries.
How do I choose between star and snowflake schemas?
Choosing between them depends on your specific needs. Star schemas are simpler and faster for queries, while snowflake schemas are more normalized and can handle complex relationships better.
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