mysql update column to be nullable
ALTER TABLE `products` CHANGE `category_id` `category_id` BIGINT(20) UNSIGNED NULL;mysql update column to be nullable
ALTER TABLE `products` CHANGE `category_id` `category_id` BIGINT(20) UNSIGNED NULL;set column to not null mysql
ALTER TABLE Person MODIFY P_Id INT(11) NOT NULL;Copyright © 2021 Codeinu
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