postgresql change column to not null
-- To change a column to NOT NULL:
ALTER TABLE products ALTER COLUMN product_no SET NOT NULL;postgresql change column to not null
-- To change a column to NOT NULL:
ALTER TABLE products ALTER COLUMN product_no SET NOT NULL;postgresql alter column nullable
-- To change a column to nullable
ALTER TABLE mytable ALTER COLUMN mycolumn DROP NOT NULL;allow null in psql
ALTER TABLE mytable ALTER COLUMN mycolumn DROP NOT NULL;Copyright © 2021 Codeinu
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