cumulative distinct count demo, Sql Server

cumulative distinct count demo

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Execution time: 0,02 sec, rows selected: 3, rows affected: 0, absolute service time: 0,27 sec, absolute service time: 0,27 sec

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dt
total
cumsum
cumdist

1
2018-10-25
4
4
4

2
2018-10-26
2
6
6

3
2018-10-27
4
10
9

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