Re: [SQL] from not null field to nullable field?

[Wim Ceulemans]

Carolyn Lu Wong wrote:
> 
> I have a field in a table that has been defined 'not null'. Is it
> possible to remove this constraint? I don't see this option under 'alter
> table'.

update pg_attribute set attnotnull = 'f' where oid = oidofnotnullcolumn;
vacuum analyze;

Regards
Wim