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Records: 2 Duplicates: 0 Warnings: 0
a | b |
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1 | null |
2 | 1 |
count(distinct b) |
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1 |
Records: 2 Duplicates: 0 Warnings: 0
a | b |
---|---|
1 | null |
2 | 1 |
count(distinct b) |
---|
1 |