+Indexes
+------------
+
+| Name | Fields |
+| --------- | ------------------- |
+| PRIMARY | id |
+| uid_cat_k | UNIQUE, uid, cat, k |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uid | [user](help/database/db_user) | uid |
+