[英]SQL add a column of binary values based on values from another table
您可以加入信息並將 Performance 與 Avg 進行比較
select Employee, JobPosition, [Performance Score], [Ave. Performance]
, case
when Emp.[Performance Score] >= [Ave. Performance] then 'Meet'
else 'Does not meet'
end AS PerfResult
from Emp
inner join Perf on Perf.JobPosition = Emp.JobPosition
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