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.

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 ...

The partition_by_clause divides the result set produced by the FROM clause into partitions to which the COUNT_BIG function is applied. If not specified, the function treats all rows of the query ...

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

The Count function helps you easily create a query that, based on any criteria, sums up the number of Access records you have. Here's how to use it.