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%deposits%'
		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 |    66261
       9 |    65088
      11 |    62110
       8 |    58303
      12 |    55848
      13 |    49667
      18 |    46453
       7 |    46344
      19 |    46303
      20 |    45490
      14 |    45285
      17 |    45107
      15 |    43942
      16 |    43779
      21 |    42267
      22 |    38097
       6 |    32899
      23 |    32507
      24 |    26903
      25 |    21147
       5 |    19660
      26 |    16001
      27 |    11761
       4 |     9816
      28 |     8351
      29 |     5669
       3 |     4009
      30 |     3750
      31 |     2342
      32 |     1484
       2 |     1149
      33 |      835
      34 |      528
      35 |      289
       1 |      238
      36 |      135
      37 |       75
      38 |       35
      39 |       28
      40 |       14
      41 |        5
      42 |        4
      44 |        2
      43 |        2
(45 rows)

COMMIT;
COMMIT