> It would be nice then if the standard allowed some syntax to add the
> field and update the values that already exist, except for the part
> of me screaming not to mix ddl and dml.

Or that tools like DB Workbench made it available. Though it should
only be available when explicitly saying that you want to set existing
records to the default value (e.g. a checkbox), at my work it would in
the worst case result in a few million records being updated, but we
do not have any big databases...

Set