Vertica NULL Handling Functions: ISNULL, IFNULL, NULLIF, COALESCE, NVL, NVL2, ZEROIFNULL, NULLIFZERO
The NULL values are ‘unknown’ or unavailable values. You cannot treat these values like how you treat blank values. The data generation system may add NULL values if values are missing or unknown value. Vertica provides various NULL functions using those you can tell the database how to treat NULL values. In this article, we will check Vertica NULL handling functions usage with some examples. Vertica NULL Handling Functions As mentioned earlier, you can tell Vertica database on how to treat NULL values using NULL handling functions. Below is the…