Delete empty rows

Question

I use PostgreSQL database and in one table I have the datetime column edit_user. Some rows are blank, and these rows I would like to delete.

I tried

Answer 1

To delete rows empty in table

syntax:

DELETE FROM table_name 
WHERE column_name IS NULL;

example:

Table name: data ---> column name: pkdno

DELETE FROM data 
WHERE pkdno IS NULL;

Answer: 5 rows deleted. (sayso)