categories_of_abelian_groups
1 row where parent = "Set"
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CREATE TABLE "categories_of_abelian_groups" ( "internal_abelian_groups" TEXT NOT NULL UNIQUE, "parent" TEXT NOT NULL UNIQUE, PRIMARY KEY("parent","internal_abelian_groups"), FOREIGN KEY("internal_abelian_groups") REFERENCES "categories"("name") on update cascade on delete restrict, FOREIGN KEY("parent") REFERENCES "categories"("name") on update cascade on delete restrict );