how to write code for left outer join in SAs using datastep?

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how to write code for left outer join in SAs using datastep?..

Answer / uma

first sort these datasets by common variable DEPT_ID,Then
use the following:
data left_join;
merge emp (in=a) dept (in=b);
by dept_id;
if a then output;
run;

Is This Answer Correct ?

22 Yes

2 No

how to write code for left outer join in SAs using datastep?..

Answer / aniruddha

Data left_outer;
merge emp(in=a) dept(in=b);
by deptno;
if a=1 and b=0;
run;

Is This Answer Correct ?

22 Yes

8 No

how to write code for left outer join in SAs using datastep?..

Answer / lakshmi

data left_join;
merge data1(in=a) data2(in=b);
by subjid;
if a;
run;

Is This Answer Correct ?

10 Yes

3 No

how to write code for left outer join in SAs using datastep?..

Answer / jbhjhj

dnt use set it wnt work.
use merge with in statements as above.

Is This Answer Correct ?

8 Yes

6 No

how to write code for left outer join in SAs using datastep?..

Answer / venkatesh

if you use x=1 and y=0
you must use set statement also
try this
data a b;
merge one two;
by id;
if x=1 and y=1 then output a;
if x=1 and y=0 then output b;
data new;
set a b;
run;

Is This Answer Correct ?

1 Yes

0 No

how to write code for left outer join in SAs using datastep?..

Answer / raghava

proc sql;
select *
from one left join two
on one.X=two.X;
quit;

The above is code for lefjoin.

Is This Answer Correct ?

1 Yes

0 No

how to write code for left outer join in SAs using datastep?..

Answer / vk

Data Left_outer;
set data1(in=x) data2(in=y);
if x=0 and y=1;
run;

Is This Answer Correct ?

9 Yes

12 No

how to write code for left outer join in SAs using datastep?..

Answer / pnprasad

There is no such Inner & Left Joins. In SAS only one join
i.e Right Join. If you want Left Join you have to use the
data set in the second place. For example: D1 D2 are the
data sets for D2 you want to make, UPDATE D1 D2;

Is This Answer Correct ?

1 Yes

22 No

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