alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;Add a new column into table
ALTER TABLE table ADD [COLUMN] column_name;sql alter table
-- With check if field already exists
IF NOT EXISTS(SELECT 1 FROM sys.columns
WHERE Name = N'Email'
AND Object_ID = Object_ID(N'dbo.Customers'))
BEGIN
ALTER TABLE Customers
ADD Email varchar(255);
ENDadd column in sql
ALTER TABLE `fb_banners`
ADD `city_id` BIGINT(20) UNSIGNED NULL DEFAULT NULL AFTER `BannerID`,
ADD INDEX `Foreign_city_id_banners` (`city_id`) USING BTREE,
ADD CONSTRAINT `Foreign_city_id_banners` FOREIGN KEY (`city_id`) REFERENCES `foodsafari`.`fb_cities` (`id`) ON UPDATE CASCADE ON DELETE CASCADE;Copyright © 2021 Codeinu
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