https://community.esri.com/t5/arcgis-pro-questions/joining-polygons-with-a-survey/m-p/1185078#M56417 <P>Hello,</P><P>I have a dataset with polygons, they are all individual but contain a "Site ID" which is used to cover all the polygons in say a park/open space etc. This means the same Site ID is frequently used for several polygons.</P><P>We have recently completed a survey and I wish to join this data together.&nbsp; The survey data also has the "Site ID" and will match.&nbsp; There can be more than one survey result for each Site ID.</P><P>How can I join the polygons to the CSV so that we can see all the surveys for the collective Site ID?</P><P>I am thinking I may have to merge all the polygons first so that each Site ID is a group of polygons therefore one record.&nbsp; Then how to join as it will be one to many rather than one to one as there are several surveys per site.</P><P>Hopefully I have explained clearly enough?! Thank you.</P> Wed, 22 Jun 2022 15:00:31 GMT CMcDonald 2022-06-22T15:00:31Z https://community.esri.com/t5/arcgis-pro-questions/joining-polygons-with-a-survey/m-p/1185078#M56417 <P>Hello,</P><P>I have a dataset with polygons, they are all individual but contain a "Site ID" which is used to cover all the polygons in say a park/open space etc. This means the same Site ID is frequently used for several polygons.</P><P>We have recently completed a survey and I wish to join this data together.&nbsp; The survey data also has the "Site ID" and will match.&nbsp; There can be more than one survey result for each Site ID.</P><P>How can I join the polygons to the CSV so that we can see all the surveys for the collective Site ID?</P><P>I am thinking I may have to merge all the polygons first so that each Site ID is a group of polygons therefore one record.&nbsp; Then how to join as it will be one to many rather than one to one as there are several surveys per site.</P><P>Hopefully I have explained clearly enough?! Thank you.</P> Wed, 22 Jun 2022 15:00:31 GMT https://community.esri.com/t5/arcgis-pro-questions/joining-polygons-with-a-survey/m-p/1185078#M56417 CMcDonald 2022-06-22T15:00:31Z