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Obsidian | Level 7 scb
Obsidian | Level 7

I got this error message "Subquery evaluated to more than one row" in the below codes.  Anyone can help? Thanks.

data d1;
input id $ name $;
datalines;
110 Miller
111 Bush
112 Elliot
113 Ryan
;
run;

 

data d2;
Format DATE1 DATE9.;
input id $ date1 DATE9.;
datalines;
110 01JAN2018
111 01FEB2018
112 01MAR2018
114 01APR2018
;
run;

data d3;
Format DATE2 DATE9.;
input id $ date2 DATE9.;
datalines;
110 01JAN2017
111 01FEB2019
112 01MAR2016
113 01APR2019
;
run;

 

PROC SQL;
CREATE TABLE WANT AS SELECT DISTINCT
* FROM D2 WHERE ID IN (SELECT ID FROM D1)
AND DATE1 < (SELECT DATE2 FROM D3);
QUIT;

2 REPLIES 2
Kurt_Bremser
Super User
SELECT DATE2 FROM D3

will result in a list with 4 values, but you may only have one value where you use that subquery. You need to add some kind of summary action to condense D3 into one row.

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