COUNT

Aggregate functions

Syntax

COUNT(  [ value ] )

Description

Returns the number of items in the group.

Argument types:

• value — Any

Return type: Number (whole)

Examples

COUNT()

COUNT([OrderID])

Data source support

Materialized Dataset, ClickHouse 1.1, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3