Question: As explained in the section 3.6, the catalog is self-describing that is, it includes entries for the catalog relvars themselves. Extend Fig. 3.6 to include

As explained in the section 3.6, the catalog is self-describing that is, it includes entries for the catalog relvars themselves. Extend Fig. 3.6 to include the necessary entries for the TABLE and COLUMN relvars themselves.

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