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ISNULL

Categories: Conditional, Boolean

ISNULL

Determines if an expression is NULL. Returns true if <expression> 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​

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