add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;Add a new column into table
ALTER TABLE table ADD [COLUMN] column_name;add new column in table
ALTER TABLE vendors
ADD COLUMN phone VARCHAR(15) AFTER name;
Code language: SQL (Structured Query Language) (sql)add new column after 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;Insert and initialize a SQL column with value dependent on another column data
UPDATE table
SET col = new_value
WHERE col = old_value
AND other_col = some_other_value;
UPDATE table
SET col = new_value
WHERE col = old_value
OR other_col = some_other_value;Copyright © 2021 Codeinu
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