There are cases when using NULL in an SQL database is desirable. However, there are always alternatives.
Read moreWebinar: JSON in MySQL and MariaDB databases
Webinar on 6th March 2020: JSON in MySQL and MariaDB databases.
Read morePostgreSQL Features Missing in Amazon Redshift (→Vettabase)
Many PostgreSQL features are not available in Redshift, particularly those which are not suitable for a database cluster or for analytics, and those that Amazon didn’t consider important enough to spend the necessary resources to maintain them.
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