https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492113#M129274 <P>Does a merge statement need a by statement? If not, then when do we use a by statement with the merge statement?&nbsp;</P> Mon, 03 Sep 2018 20:46:19 GMT clq 2018-09-03T20:46:19Z https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492113#M129274 <P>Does a merge statement need a by statement? If not, then when do we use a by statement with the merge statement?&nbsp;</P> Mon, 03 Sep 2018 20:46:19 GMT https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492113#M129274 clq 2018-09-03T20:46:19Z https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492114#M129275 <P>Read the documentation first:&nbsp;<A href="https://documentation.sas.com/?docsetId=lestmtsref&amp;docsetTarget=n1i8w2bwu1fn5kn1gpxj18xttbb0.htm&amp;docsetVersion=9.4&amp;locale=en" target="_blank">https://documentation.sas.com/?docsetId=lestmtsref&amp;docsetTarget=n1i8w2bwu1fn5kn1gpxj18xttbb0.htm&amp;docsetVersion=9.4&amp;locale=en</A></P> <P>&nbsp;</P> <P>And if it is still not clear, then ask further questions.&nbsp;</P> Mon, 03 Sep 2018 21:02:38 GMT https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492114#M129275 SASKiwi 2018-09-03T21:02:38Z https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492135#M129286 Hi:<BR /> And in this previous forum posting: <A href="https://communities.sas.com/t5/SAS-Programming/Merge-datasets/td-p/463569" target="_blank">https://communities.sas.com/t5/SAS-Programming/Merge-datasets/td-p/463569</A> are some images and code to explain merge with BY.<BR />Cynthia Tue, 04 Sep 2018 00:57:51 GMT https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492135#M129286 Cynthia_sas 2018-09-04T00:57:51Z https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492157#M129293 <P>In addition, the documentation has a section that outlines the different way to combine data sets all side by side with code examples.&nbsp;</P> <P><A href="http://support.sas.com/documentation/cdl/en/lrcon/65287/HTML/default/viewer.htm#n1xc1y8c37apw7n1erbitmuiwvds.htm" target="_blank">http://support.sas.com/documentation/cdl/en/lrcon/65287/HTML/default/viewer.htm#n1xc1y8c37apw7n1erbitmuiwvds.htm</A></P> <P>&nbsp;</P> <P>It's definitely worth a read.</P> Tue, 04 Sep 2018 03:12:14 GMT https://communities.sas.com/t5/SAS-Programming/merge-statement/m-p/492157#M129293 Reeza 2018-09-04T03:12:14Z