For those who may not have seen it, the @test_script query looks like this:
with
upper_names as (
select employee_id, upper(last_name) as upper_last_name
from hr.employees ),
string_match as (
select employee_id, upper_last_name,
instr( upper_last_name, 'KIN', 1, 1 ) as instring_match
from upper_names )
select employee_id, upper_last_name
from string_match
where instring_match > 0;
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