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The converse is also true. Each CRC database is designed to be paired with only one ONT database. This is because the CRC database actually includes some very specific metadata that must match the metadata in the ONT database. There is an exception to this: if more than one ONT database share the same information that appears in the CRC database, then multiple projects can be supported by that single CRC database.

The instructions for creating multiple projects are outside the scope of this Ontologies tutorial page.

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