Compare Data In Different Tables And List Non Matching Values

Nov 2, 2007

Hi

I am trying to compare data in two different tables and list the data that does not match. Not sure if this is possible. Details below

Table 1

xyz - A1 - Do not use
ABC - A4 - Use

Table 2

123 - A1

The result of the query should show me

A4 (as this does not appear in table 2

I am not too familiar with Null values as there will be many null values that i want to ignore.

Any help will be appreciated.

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