This function is used with the SQL SELECT statement. Let's take a simple example: If you have a record of the voters in the selected area and want to count the number of voters, then it is very ...

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.

For example, SELECT BIT_COUNT (CAST (-1 as smallint)) and SELECT BIT_COUNT (CAST (-1 as int)) will return 16 and 32 respectively. This is intended, as the binary representation of -1 can have a ...