a table
_uuid                                name number
------------------------------------ ---- ------
18f3f9f1-4e9a-4526-8ea7-5cf2fd9e7cf9 one  1     

b table
_uuid                                name number
------------------------------------ ---- ------
f234fc5f-cb3a-4fdc-9833-a712f0040ff3 two  2     
