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Syntax of Select Count Function in SQL SELECT COUNT(column_name)FROMtable_name; In the syntax, we have to specify the column's name after the COUNT keyword and the name of the table on which the Count ...
APPROX_COUNT_DISTINCT requires less memory than an exhaustive COUNT DISTINCT operation. Given the smaller memory footprint, APPROX_COUNT_DISTINCT is less likely to spill memory to disk compared to a ...
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