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 |   500018
      10 |    66259
       9 |    64879
      11 |    62252
       8 |    58427
      12 |    55603
      13 |    50059
      19 |    46626
       7 |    46469
      18 |    46269
      20 |    45388
      14 |    45277
      17 |    44990
      16 |    43710
      15 |    43656
      21 |    42333
      22 |    37979
      23 |    32877
       6 |    32744
      24 |    26779
      25 |    21401
       5 |    19563
      26 |    15887
      27 |    11762
       4 |     9952
      28 |     8193
      29 |     5648
       3 |     3971
      30 |     3758
      31 |     2362
      32 |     1532
       2 |     1194
      33 |      846
      34 |      529
      35 |      263
       1 |      232
      36 |      145
      37 |       79
      38 |       44
      39 |       20
      40 |       11
      41 |        8
      42 |        3
      46 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT