SQL Server - Rename Foreign Keys

renameForeignKeys.sql

select 'exec sp_rename N''dbo.[' + fk.name + ']'', N''FK_' + upper(t.name) + '_' + lower(c.name) + ''', @objtype = ''OBJECT'';'
  from sys.foreign_keys fk
  join sys.foreign_key_columns fkc on fkc.constraint_object_id = fk.object_id
  join sys.columns c on c.object_id = fk.parent_object_id
                    and c.column_id = fkc.parent_column_id
  join sys.tables t on t.object_id = fk.parent_object_id
 where fk.name <> 'FK_' + upper(t.name) + '_' + lower(c.name)