Compare different table and display only the Unmatch data

[letqi]

Hi all, i have created a sample layout of what i want to do but am not sure how to execute this in script.

Table 1, Customer

Name	Age	Number
Anne	10	91121212
Ben	15	82342121
Cat	18	81321321

Table 2, Renamed Customer

Name	Age	Number
Anne	10	91121212
Ben	15	82342121

Output: 

Name	Age	Number
Cat	18	81321321

[letqi]

NoConcatanate

FinalTable:

Load * Resident Customer;

Add

Load * Resident Renamed_Customer

where not wildMatch(Name, Name);

i have tried this and failed. can anybody help me with this breakdown?