Proc sql;
Create table NWHC_DAD as
Select distinct
A.*
From NWHC_service as A
Left join DAD as D
On A.ID=D.ID and A.ID~=’9999999999’
Where D.fyear=2016 and A.days_to_servdate<=D.days_to_servdate+60
;quit;
Proc sql;
Create table NWHC_NRS as
Select distinct
A.*
From NWHC_service as A
Left join NRS as N
On A.ID=N.ID and A.ID~=’9999999999’
Where D.fyear=2016 and A.days_to_servdate<=N.days_to_servdate+60
;quit;
I need to combine the three tables in one step so that I have a final table which has the IDs where the foll condition is satisfied along with the other conditions in the query : days_to_servdate from the A table is <= days_to servdate from table D or days_to servdate From table N
Please advise how would i do that
Joining three tables
Hello,
What join do you need? INNER or LEFT. For me it looks like you need an inner join for your requirement.
Proc sql;
Create table NWHC_DAD as
Select distinct
A.*
From NWHC_service as A
inner join DAD as D On A.ID=D.ID and A.ID<>'9999999999'
inner join NRS as N On A.ID=N.ID and A.ID<>'9999999999'
Where D.fyear=2016 and ( A.days_to_servdate<=N.days_to_servdate or A.days_to_servdate<=D.days_to_servdate)
;quit;
proc sql;
create table NWHC_DAD_NRS as
select distinct
A.*
from NWHC_service as A
left join DAD as D
on A.ID=D.ID and A.ID~='999999999'
where A.days_to_servdate <=D.days_to_admdate+60 and fyear_ddate=2016
left join NRSdisrecs as N
on A.ID=D.ID and N.ID~='999999999'
where A.days_to_servdate <=N.days_to_admdate+60 and fyear_ddate=2016
group by id
order by id
;quit;
I wanted to do a left join to keep all records in A
Please advise how would i correc the query above to apply all the conditions
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