I have the following table.
我有下表。
Animal Vaccine_Date Vaccine
Dog 1/1/2016 x
Dog 2/1/2016 y
Dog 2/1/2016 z
Cat 2/1/2016 y
Cat 2/1/2016 z
Animal VI have the following table.
我有下表。
Animal Vaccine_Date Vaccine
Dog 1/1/2016 x
Dog 2/1/2016 y
Dog 2/1/2016 z
Cat 2/1/2016 y
Cat 2/1/2016 z
Animal V