Answers for "change not null to null in postgres"

SQL

3

postgresql change column to not null

-- To change a column to NOT NULL:
ALTER TABLE products ALTER COLUMN product_no SET NOT NULL;

Posted by: Guest on November-02-2020

Source

1

postgres set null

UPDATE table1
SET column_a IS NULL
WHERE column_b = 'XXX';

Posted by: Guest on June-11-2021

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