Can I drop a NOT NUL constrain on an existing table?

Started by stanabout 6 years ago2 messagesgeneral
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#1stan
stanb@panix.com

I see how to do this if it is a "dcleared" constraint, but this was just
defined in the table createion as inL

report_no varchar UNIQUE ,

--
"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
-- Benjamin Franklin

#2Justin
zzzzz.graf@gmail.com
In reply to: stan (#1)
Re: Can I drop a NOT NUL constrain on an existing table?

Alter table mytable drop constraint name_of_constraint

https://www.postgresql.org/docs/current/sql-altertable.html

On Thu, Jan 16, 2020 at 9:43 AM stan <stanb@panix.com> wrote:

Show quoted text

I see how to do this if it is a "dcleared" constraint, but this was just
defined in the table createion as inL

report_no varchar UNIQUE ,

--
"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
-- Benjamin Franklin