text: SELECT 
  yyyymm Month, 
  site Site,
  platform Platform,
  channel Channel, 
  ifnull(cost, 0) Cost,
  ifnull(impressions, 0) Impressions,
  ifnull(clicks, 0) Clicks,
  ifnull(conversions, 0) Conversions,
  ifnull(sessions, 0) Sessions,
  ifnull(pct_sessions, 0) PctSessions,
  ifnull(goal_completions, 0) GoalCompletions,
  ifnull(pct_goal_completions, 0) PctGoalCompletions,
  ifnull(conversion_index, 0) ConversionIndex
  FROM `adp-apprenticeship`.`agency_data_pipeline`.`platform_index`
  WHERE yyyymm >= '2017-06'