WHERE statement for alphanumeric

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how would i do a where statement for an alphanumeric variable such as 2021Q2?  I just want to bring in data for 2021 Q2 and Q3:

proc sql;
create table Q2Q3risk as
select
year_qtr,
count(distinct memberNo) as member_dist,
sum(riskTotal) as TotalRisk_Sum,
sum(riskScore) as riskScore_Sum,
sum(riskValueClosed) as riskValueClosed_Sum
from riskpull
where year_qtr in ('2021Q2','2021Q3')
group by year_qtr;
quit;

[SASKiwi · Accepted solution]

Is year_qtr defined as character or numeric with a date format in your dataset? If it is character when your query should work OK. If it is numeric then try this using date constants:

where year_qtr in ('01Apr2021'd,'01Jul2021'd)

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This worked! 

[Reeza]

Did you confirm this pulls all dates you need and not just those two dates? From your prior descriptions of your data this would not work correctly.
You won't get errors but you won't get the right answers.

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it pulled all that were between those dates in Q2 and Q3

[Kurt_Bremser]

Maxim3: Know Your Data.

First, verify type and display format of year_qtr, and then, if it is numeric with a YYQ format, the actual raw values, as the dates might be any date within a quarter, so you must convert them to a new value first before you can use them for grouping in SQL.

[Reeza]

Don't.
Use your original variable and your original method of filtering the data.

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Thank you!!!!