NULL
Description
The null condition tests for nulls, when a value is missing or unknown. (Redshift SQL Language Reference NULL condition)
Grammar Syntax
expression IS [ NOT ] NULL
This function is fully supported by Snowflake.
Sample Source Patterns
Setup Table
CREATE TABLE NullTest (
id INTEGER,
name VARCHAR(30),
lastname VARCHAR(30)
);
INSERT INTO NullTest (id, name, lastname) VALUES
(1, 'name1', 'lastname1'),
(2, 'name2', NULL),
(3, 'name3', 'lastname3'),
(4, 'name4', NULL);
Input Code:
SELECT * FROM nulltest
WHERE lastname IS NULL;
Output Code:
SELECT * FROM
nulltest
WHERE lastname IS NULL;
Known Issues
No issues were found.
Related EWIs
No related EWIs.
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