a table
_uuid                                name number
------------------------------------ ---- ------
c7130674-636d-4ca3-9b6f-a5a0ead85251 one  1     
b3efccc4-8ccf-4b56-8e8a-c851ff9026eb zero 0     

b table
_uuid                                name number
------------------------------------ ---- ------
a923b1ad-e80b-4f63-a962-6427e2c19dee two  2     
