On this page

    Categories: Conditional, Boolean

    ISNULL

    Determines if an expression is NULL. Returns true if is NULL, and false otherwise. Alias for the operator IS NULL.

    Syntax

    ISNULL(expression Any type) → boolean

    • expression: Expression of any type to evaluate.

    Examples

    select ISNULL('dremio')
    -- False
    
    select 'dremio' IS NULL
    -- False