Answers for "postgresql not null"

postgres add not null to existing column

ALTER TABLE table_name ALTER COLUMN column_name SET NOT NULL;

Posted by: Guest on March-12-2020

is not null postgresql

SELECT *
FROM employees
WHERE first_name IS NOT NULL;

Posted by: Guest on August-16-2021

postgresql add not null and not empty constraint

ads character varying(60) NOT NULL CHECK (ads <> '')

Posted by: Guest on February-24-2020

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