text: EXPLAIN (ANALYZE, TIMING OFF) SELECT * FROM t WHERE a <= 49 AND b > 49;
                                  QUERY PLAN
  -------------------------------------------------------------------&zwsp;--------
   Seq Scan on t  (cost=0.00..195.00 rows=1 width=8) (actual rows=0 loops=1)
     Filter: ((a <= 49) AND (b > 49))
     Rows Removed by Filter: 10000
  