jdbc:hive2://> explain cbo select ss.ss_net_profit, sr.sr_net_loss from store_sales ss join store_returns sr on (ss.ss_item_sk=sr.sr_item_sk) limit 5 ; +---------------------------------------------+ Explain +---------------------------------------------+ CBO PLAN: HiveSortLimit(fetch=[5]) HiveProject(ss_net_profit=[$1], sr_net_loss=[$3])   HiveJoin(condition=[=($0, $2)], joinType=[inner])     HiveProject(ss_item_sk=[$2], ss_net_profit=[$22])     HiveFilter(condition=[IS NOT NULL($2)])       HiveTableScan(table=[[tpcds_text_10, store_sales]], table:alias=[ss])     HiveProject(sr_item_sk=[$2], sr_net_loss=[$19])     HiveFilter(condition=[IS NOT NULL($2)])       HiveTableScan(table=[[tpcds_text_10, store_returns]], table:alias=[sr]) +---------------------------------------------+