# Page Not Found

The URL `v6.4.3/sql/data-definition-ddl/users-and-databases` does not exist.

You might be looking for one of these pages:
- [Users and Databases](https://docs.heavy.ai/sql/data-definition-ddl/users-and-databases.md)
- [System Tables](https://docs.heavy.ai/sql/data-definition-ddl/system-tables.md)
- [Tables](https://docs.heavy.ai/sql/data-definition-ddl/tables.md)
- [Datatypes](https://docs.heavy.ai/sql/data-definition-ddl/datatypes-and-fixed-encoding.md)
- [Comment](https://docs.heavy.ai/sql/data-definition-ddl/comment.md)

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