Answer Posted / Anuj Kumar Sharma

Some key features of Apache HCatalog include:
- Schema management: Automatic creation, modification, and enforcement of table schemas.
- Metadata catalog: Central repository for storing metadata about data in Hadoop.
- Data access: Support for various data sources, such as files, databases, and other big data platforms.
- Query optimization: Translation of high-level queries into low-level execution plans.
- Data security: Role-based access control, encryption, and auditing capabilities.

State some DDL Command with brief Description?

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