Learn how to use the COUNT function in SQL to count records in different ways. Find out how to count the total, distinct, conditional, and grouped rows in SQL.

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( expression ) evaluates an expression for each row in a group, and returns the approximate number of unique non-null values in a group. This function is designed to provide ...