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 '%special%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 |   500016
      10 |    66301
       9 |    65042
      11 |    62106
       8 |    58454
      12 |    55837
      13 |    49900
      19 |    46683
      18 |    46303
       7 |    46262
      20 |    45400
      14 |    45204
      17 |    45082
      16 |    43765
      15 |    43669
      21 |    42237
      22 |    37972
       6 |    32696
      23 |    32678
      24 |    26849
      25 |    21304
       5 |    19689
      26 |    16032
      27 |    11726
       4 |     9895
      28 |     8220
      29 |     5623
       3 |     4001
      30 |     3850
      31 |     2325
      32 |     1522
       2 |     1180
      33 |      853
      34 |      516
      35 |      286
       1 |      228
      36 |      131
      37 |       73
      38 |       38
      39 |       27
      40 |       12
      42 |        5
      41 |        5
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT