New posts in Null

If a person's name is Null then how would it break the database?

Enforce NOT NULL for set of columns with a CHECK constraint only for new rows

Adding hstore entries to an uninitialized (NULL) column

Why does a UNIQUE constraint allow only one NULL?

Returning empty string when string_agg has no records

Can IS DISTINCT FROM be combined with ANY or ALL somehow?

Oracle empty string converts to null

Quickly change NULL column to NOT NULL

Getting SELECT to return a constant value even if zero rows match

How do I check for a null or empty table-valued parameter?