On Wed, Jun 12, 2024 at 5:28 PM Rich Shepard <rshep...@appl-ecosys.com> wrote:
> I have a table with 3492 rows. I want to update a boolean column from > 'false' to 'true' for 295 rows based on the value of another column. > > Is there a way to access a file with those condition values? If not, should > I create a temporary table with one column containing those values, or do I > write a psql script with 295 lines, one for each row to be updated? > A plain UPDATE might work. UPDATE to_be_updated a SET bool_col = true FROM other_table b WHERE a.pk = b.pk AND b.field3 = mumble; (You can join them, right?)