Function ChangeGenderToNum()
Dim strSQL As String 'declare sql string variable
strSQL = "UPDATE TableName SET TableName.[Column Name] = '0' " & _
"WHERE (TableName.[Column Name]='male');"
DoCmd.RunSQL strSQL 'run the query
strSQL = "UPDATE TableName SET TableName.[Column Name] = '1' " & _
"WHERE (TableName.[Column Name]='female');"
DoCmd.RunSQL strSQL 'run the query
End Function