New posts in Null

A function to check if a column allows NULL

Why does ALTER COLUMN to NOT NULL cause massive log file growth?

Select column names whose entries are not null

Are many NULL columns harmful in mysql InnoDB?

Comparing Columns that can contain NULLS - is there a more elegant way?

Test if any columns are NULL

Does SQL Server read all of a COALESCE function even if the first argument is not NULL?

PostgreSQL multi-column unique constraint and NULL values

In SQL Server 2008, how can I get all the columns that are marked as nullable in their schemas even though no records contain NULL for those columns?

Is there some drawback to define SPARSE columns?