count_
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Counts distinct non-NULL input values exactly.
Syntax
count_distinct( <expr> )Returns
Returns int.
Examples
VALUES ('a'), ('b'), ('a'), ('c')
AGGREGATE count_distinct($0);
Counts distinct non-NULL input values exactly.
count_distinct( <expr> )Returns int.
VALUES ('a'), ('b'), ('a'), ('c')
AGGREGATE count_distinct($0);