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 |    66273
       9 |    64998
      11 |    62272
       8 |    58453
      12 |    55678
      13 |    49886
      19 |    46752
       7 |    46346
      18 |    46190
      14 |    45387
      20 |    45295
      17 |    45040
      16 |    43839
      15 |    43534
      21 |    42279
      22 |    38045
      23 |    32695
       6 |    32659
      24 |    26807
      25 |    21299
       5 |    19663
      26 |    16042
      27 |    11780
       4 |     9933
      28 |     8155
      29 |     5667
       3 |     3979
      30 |     3811
      31 |     2323
      32 |     1543
       2 |     1181
      33 |      850
      34 |      525
      35 |      272
       1 |      230
      36 |      139
      37 |       75
      38 |       37
      39 |       26
      40 |       13
      41 |        6
      42 |        4
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT