A non-unique email address is available File: `1M record` Line : `99560,102744,...` Email : `edgar32@cor***.com, bfinley@mas***.com,...` ✋ Why it should be unique Sometimes columns can be marked as unique
A non-unique email address is available
File:
1M recordLine :
99560,102744,...Email :
edgar32@cor***.com, bfinley@mas***.com,...✋ Why it should be unique
Sometimes columns can be marked as unique