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Datino
Obsidian | Level 7

Hello,

 

I'm trying to update the names table, but only if two of its columns match the ones from the donations table. Is it possible to do it in a single block of code?

 

data names;
input name $ ssn $ invited $;
datalines;
john 10 n
phil 12 n
charles 13 n
;
data donations;
input name $ ssn $ donated;
datalines;
joe 23 1000
george 18 4599
phil 12 6553
;

proc sql;
	update names as a
	set invited='y'
	where (a.name=donations.name and a.ssn=donations.ssn);
quit;
2 REPLIES 2
Jagadishkatam
Amethyst | Level 16

Please try

 

proc sql;
create table test as select a.name,a.ssn,b.donated, 
case when a.name=b.name and a.ssn=b.ssn then 'y' else a._invited end as invited 
from names(rename=(invited=_invited)) as a left join donations as b on a.name=b.name and a.ssn=b.ssn;
quit;
Thanks,
Jag
Ksharp
Super User
data names;
input name $ ssn $ invited $;
datalines;
john 10 n
phil 12 n
charles 13 n
;
data donations;
input name $ ssn $ donated;
datalines;
joe 23 1000
george 18 4599
phil 12 6553
;

proc sql;
	update names as a
	set invited='y'
	where exists(select * from donations where 
a.nam
e=donations.name and a.ssn=donations.ssn);
quit;

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