How to Remove a NOT NULL Constraint in Snowflake

In Snowflake, we remove the “NOT NULL” constraint using “ALTER TABLE”. This blog discusses using that command.

Remove a NOT NULL Constraint in Snowflake

For removing the NOT NULL constraint in Snowflake, we utilize the following command:

ALTER TABLE <table_name> ALTER <column_name> DROP 

Restate the column definition, adding “NOT NULL” Attribute

alter table products1
alter category drop not null;

MindMajix Youtube Channel


The ALTER TABLE command is used for removing the “NOT NULL” constraint. I hope this information is adequate for removing the NOT NULL Constraints.

Snowflake Related Articles

▶  Snowflake vs Redshift
▶  Snowflake vs BigQuery
▶  Snowflake vs Databricks
▶  Snowflake vs Azure
▶  Snowflake vs Hadoop
▶  Snowflake Time

If you have any queries, let us know by commenting below.  

Course Schedule
Snowflake TrainingJul 23 to Aug 07View Details
Snowflake TrainingJul 27 to Aug 11View Details
Snowflake TrainingJul 30 to Aug 14View Details
Snowflake TrainingAug 03 to Aug 18View Details
Last updated: 04 Apr 2023
About Author

Keerthi Sai is a Senior Writer at Mindmajix with tons of content creation experience in the areas of cloud computing, BI, Perl Scripting. She also creates content on Salesforce, Microstrategy, and Cobit.

read less
  1. Share:
Snowflake Articles