a table
_uuid                                name number
------------------------------------ ---- ------
eba3da30-1653-401b-bbaf-2057b68268c0 one  1     
5f797d6a-7e7e-4a83-b833-b4740d9b62e9 zero 0     

b table
_uuid                                name number
------------------------------------ ---- ------
75934f8e-3f57-4877-9f9e-f51c0083cac4 one  1     
