add column alter table code example
Example 1: sql add column
ALTER TABLE Customers
ADD Email varchar(255);
Example 2: append column sql
ALTER TABLE table_name
ADD column_name datatype;
ALTER TABLE Customers
ADD Email varchar(255);
Example 3: alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
Example 4: add 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;