2.9. Runtime Metadata

Once you have adequately modeled your enterprise information systems, including the necessary technical metadata that describes the physical structure of your sources, you can use the metadata for data access.

To prepare the metadata for use in the Teiid Designer Server, you take a snapshot of a metadata model for the Teiid Designer Server to use when resolving queries from your client applications. This runtime metadata represents a static version of design-time metadata you created or imported. This snapshot is in the form of a Virtual Database definition, or VDB.

As you create this runtime metadata, the Teiid Designer:

You can continue to work with the design-time metadata, but once you have created a runtime metadata model, it remains static.