topic Re: Does the ObjectID field have to be a Primary Key? in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443782#M12060 <HTML><HEAD></HEAD><BODY><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//005s0000000z000000">Fundamentals of ObjectID fields</A></BODY></HTML> Thu, 21 Feb 2013 19:56:15 GMT LeoDonahue 2013-02-21T19:56:15Z Does the ObjectID field have to be a Primary Key? https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443781#M12059 <HTML><HEAD></HEAD><BODY><SPAN>Does the ObjectID field have to be a Primary Key in an RDBMS (SQL for example)? I noticed in MS Access it isn't a PK.</SPAN><BR /><BR /><SPAN>I DO NOT use the ObjectID field for anything within our schema. It is strictly reserved for ArcGIS use. So, is there any reason it needs to be a primary key?</SPAN><BR /><BR /><SPAN>Any documentation that discusses the use of ObjectID as a PK would be appreciated.</SPAN><BR /><BR /><SPAN>G</SPAN></BODY></HTML> Thu, 21 Feb 2013 19:26:36 GMT https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443781#M12059 GregRieck 2013-02-21T19:26:36Z Re: Does the ObjectID field have to be a Primary Key? https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443782#M12060 <HTML><HEAD></HEAD><BODY><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//005s0000000z000000">Fundamentals of ObjectID fields</A></BODY></HTML> Thu, 21 Feb 2013 19:56:15 GMT https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443782#M12060 LeoDonahue 2013-02-21T19:56:15Z Re: Does the ObjectID field have to be a Primary Key? https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443783#M12061 <HTML><HEAD></HEAD><BODY><SPAN>And this</SPAN><BR /><BR /><A href="http://support.esri.com/en/knowledgebase/techarticles/detail/31973"><SPAN style="font-size:2;">FAQ:&nbsp; Is the assumption that ObjectID is always larger than the last inserted ObjectID correct?</SPAN></A></BODY></HTML> Thu, 21 Feb 2013 20:03:03 GMT https://community.esri.com/t5/arcobjects-sdk-questions/does-the-objectid-field-have-to-be-a-primary-key/m-p/443783#M12061 LeoDonahue 2013-02-21T20:03:03Z