BEGIN;
BEGIN
select
	c_count,
	count(*) as custdist
from
	(
		select
			c_custkey,
			count(o_orderkey)
		from
			customer left outer join orders on
				c_custkey = o_custkey
				and o_comment not like '%express%accounts%'
		group by
			c_custkey
	) as c_orders (c_custkey, c_count)
group by
	c_count
order by
	custdist desc,
	c_count desc;
 c_count | custdist 
---------+----------
       0 |   500017
      10 |    65804
       9 |    65251
      11 |    62516
       8 |    58154
      12 |    55737
      13 |    49896
      19 |    46614
       7 |    46500
      18 |    46065
      14 |    45450
      20 |    45375
      17 |    45021
      16 |    43688
      15 |    43619
      21 |    42633
      22 |    38006
       6 |    32878
      23 |    32656
      24 |    26836
      25 |    21201
       5 |    19498
      26 |    16042
      27 |    11668
       4 |     9978
      28 |     8209
      29 |     5740
       3 |     3949
      30 |     3755
      31 |     2363
      32 |     1518
       2 |     1179
      33 |      877
      34 |      487
      35 |      271
       1 |      234
      36 |      143
      37 |       87
      38 |       36
      39 |       20
      40 |       16
      41 |        5
      42 |        3
      45 |        2
      43 |        2
      44 |        1
(46 rows)

COMMIT;
COMMIT