Database Challenges

-- File Name: tony_bater_tsqlchallenge_15.sql
select Row
, case when [1] = 1 then 'x' else '' end [1]
, case when [2] = 1 then 'x' else '' end [2]
, case when [3] = 1 then 'x' else '' end [3]
, case when [4] = 1 then 'x' else '' end [4]
, case when [5] = 1 then 'x' else '' end [5]
, case when [6] = 1 then 'x' else '' end [6]
, case when [7] = 1 then 'x' else '' end [7]
, case when [8] = 1 then 'x' else '' end [8]
, case when [9] = 1 then 'x' else '' end [9]
from (
select Row, [1], [2], [3], [4], [5], [6], [7], [8], [9]
from 
(
select Row, Col, Row%Col Modulus
from @Rows
cross join @Cols
where Row%Col=0
) as SourceTable
PIVOT
(
Count(Modulus)
for Col in ([1], [2], [3], [4], [5], [6], [7], [8], [9])
) as PivotTable
) Results

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