NULLS

Important Notice: Migration of Documentation Website

Please be advised that our documentation website is currently undergoing a migration to a new platform. To ensure you have access to the most up-to-date information, we kindly request that you visit our new documentation website located at:

Official Snowflake Snowconvert Documentation

For any immediate assistance or if you encounter any issues, please contact our support team at [email protected].

Thank you for your understanding.

Description

If a column in a row is missing, unknown, or not applicable, it is a null value or is said to contain null. (Redshift SQL Language reference Nulls Literals).

Nulls can appear in fields of any data type that are not restricted by primary key or NOT NULL constraints. A null is not equivalent to the value zero or to an empty string.

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

SELECT NULL IN (NULL, 0, 1, 2 ,3, 4);
SELECT 1 + NULL, 1 - NULL, 1 * NULL, 1 / NULL, 1 % NULL;

Result

Select1
NULL

1+NULL	1*NULL
NULL	NULL

Output Code:

Snowflake

OUT -> Redshift_01.sql

SELECT NULL IN (NULL, 0, 1, 2 ,3, 4);
SELECT 1 + NULL, 1 - NULL, 1 * NULL, 1 / NULL, 1 % NULL;

Result

Select1
NULL

1+NULL	1*NULL
NULL	NULL

Know Issues

No issues were found.

Related EWIs

There are no known issues.