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 |    66339
       9 |    64941
      11 |    62293
       8 |    58475
      12 |    55479
      13 |    50037
      19 |    46861
       7 |    46327
      18 |    46194
      14 |    45440
      20 |    45205
      17 |    44973
      16 |    43718
      15 |    43580
      21 |    42222
      22 |    38107
       6 |    32736
      23 |    32731
      24 |    26763
      25 |    21542
       5 |    19575
      26 |    15869
      27 |    11746
       4 |     9972
      28 |     8178
      29 |     5613
       3 |     3971
      30 |     3827
      31 |     2352
      32 |     1531
       2 |     1188
      33 |      872
      34 |      511
      35 |      267
       1 |      236
      36 |      150
      37 |       77
      38 |       35
      39 |       26
      40 |       10
      41 |        8
      42 |        4
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT