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The schema is a logical description of the entire database. The schema includes the name and description of records of all record types including all associated data-items and aggregates. Likewise the database the data warehouse also require the schema.

Topics covered in this video:
1) Schemas – What is a schema. Types – Star, Snowflake,
Galaxy.
2) Significant role of meta data.

Related Blogs:
http://www.edureka.co/blog/understanding-mongodb-architecture/utm_source=youtube&utm_medium=referral&utm_campaign=schemas
http://www.edureka.co/blog/overview-of-hadoop-2-0-cluster-architecture-federation/?utm_source=youtube&utm_medium=referral&utm_campaign=schemas

Watch sample class recording: http://www.edureka.co/datawarehousing?utm_source=youtube&utm_medium=referral&utm_campaign=schemas

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All topics related to ‘schemas’ have extensively been covered in our course ‘Data Warehousing’.
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