using drop down component, want to retrieve one parameter values from DB. plz suhttps://community.appian.com/discussions/f/rules/1600/using-drop-down-component-want-to-retrieve-one-parameter-values-from-db-plz-suusing drop down component, want to retrieve one parameter values from DB. plz suggest ... OriginalPostID-90788 OriginalPostID-90788en-USTelligent Community 12RE: using drop down component, want to retrieve one parameter values from DB. plz suhttps://community.appian.com/thread/5646?ContentTypeID=1Wed, 27 Nov 2013 17:41:30 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:93dcbd5f-c5b7-4bd3-b846-9fb13167583cTerri McCormickAnother technique: create a query rule to query the entity in the data store (which is mapped to the database) and create an expression rule to combine the results of the query rule with the static constant. In the drop down, you can call the expression rule.<br /><br />See <a href="https://forum.appian.com/suite/wiki/73/Rules#Creating">forum.appian.com/.../Rules</a> for more information on expression rules and query rules.<div style="clear:both;"></div>RE: using drop down component, want to retrieve one parameter values from DB. plz suhttps://community.appian.com/thread/5645?ContentTypeID=1Wed, 27 Nov 2013 14:13:51 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7b6b27fa-a03a-4b0b-a232-5f66f40f4994shelzleUse query database node, store to PV, use in drop down. plz elaborate ...<div style="clear:both;"></div>