sql přidat sloupec
ALTER TABLE Customers
ADD Email varchar(255);
připojit sloupec sql
ALTER TABLE table_name
ADD column_name datatype;
--example
ALTER TABLE Customers
ADD Email varchar(255);
přidat sloupec v 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;
přidat sloupec do tabulky sql
ALTER TABLE table_name ADD column_name varchar(50);
Přidat nový sloupec do tabulky
ALTER TABLE table ADD [COLUMN] column_name;
sql jak přidat sloupec
ALTER TABLE table_name
ADD column_name datatype;