https://communities.sas.com/t5/SAS-Enterprise-Guide/PK-keys-on-Enterprise-Guide/m-p/51541#M5549 There are no tool/wizard that will help you create/modify constraints. You have to do it with your own code.<BR /> EG also lacks of a data model viewer/browser that will help you see your relationships. The only way to see your constraints is to use Data Set Attributes task.<BR /> <BR /> /Linus Thu, 04 Feb 2010 09:52:59 GMT LinusH 2010-02-04T09:52:59Z https://communities.sas.com/t5/SAS-Enterprise-Guide/PK-keys-on-Enterprise-Guide/m-p/51540#M5548 two questions: how to set up in EG and display current mappings. I looked in help and this forum and could not find any references Wed, 03 Feb 2010 15:34:07 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/PK-keys-on-Enterprise-Guide/m-p/51540#M5548 frisco 2010-02-03T15:34:07Z https://communities.sas.com/t5/SAS-Enterprise-Guide/PK-keys-on-Enterprise-Guide/m-p/51541#M5549 There are no tool/wizard that will help you create/modify constraints. You have to do it with your own code.<BR /> EG also lacks of a data model viewer/browser that will help you see your relationships. The only way to see your constraints is to use Data Set Attributes task.<BR /> <BR /> /Linus Thu, 04 Feb 2010 09:52:59 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/PK-keys-on-Enterprise-Guide/m-p/51541#M5549 LinusH 2010-02-04T09:52:59Z