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 |    66350
       9 |    64855
      11 |    62247
       8 |    58440
      12 |    55573
      13 |    50046
      19 |    46673
       7 |    46420
      18 |    46263
      20 |    45371
      14 |    45288
      17 |    44930
      15 |    43696
      16 |    43692
      21 |    42288
      22 |    38014
      23 |    32880
       6 |    32758
      24 |    26825
      25 |    21332
       5 |    19545
      26 |    15924
      27 |    11732
       4 |     9992
      28 |     8198
      29 |     5637
       3 |     3962
      30 |     3778
      31 |     2361
      32 |     1542
       2 |     1189
      33 |      857
      34 |      514
      35 |      268
       1 |      233
      36 |      143
      37 |       80
      38 |       42
      39 |       22
      40 |       10
      41 |        7
      42 |        4
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT