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 |    66398
       9 |    64866
      11 |    62237
       8 |    58498
      12 |    55561
      13 |    50018
      19 |    46697
       7 |    46334
      18 |    46209
      20 |    45365
      14 |    45347
      17 |    44984
      16 |    43680
      15 |    43670
      21 |    42266
      22 |    37968
      23 |    32916
       6 |    32751
      24 |    26735
      25 |    21475
       5 |    19566
      26 |    15880
      27 |    11696
       4 |     9979
      28 |     8243
      29 |     5603
       3 |     3971
      30 |     3776
      31 |     2387
      32 |     1529
       2 |     1183
      33 |      867
      34 |      516
      35 |      269
       1 |      234
      36 |      144
      37 |       81
      38 |       37
      39 |       24
      40 |       10
      41 |        7
      42 |        4
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT