When I right click on visual studio 2012 existing data connection and click new query I see the query designer
,However to do this in visual studio 2013 when adding a data connection you have to choose dot net framework data framework for oledb instead of dot net framework data framework for sql server
Source:https://social.msdn.microsoft.com/Forums/sqlserver/en-US/ed4675d3-aa84-47db-bdf5-f852355409e6/query-designer-not-displaying-in-visual-studio-2013?forum=ssdt
