alter table add multiple columns mysql
CREATE TABLE IF NOT EXISTS vendors (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(255)
);
ALTER TABLE vendors
ADD COLUMN phone VARCHAR(15) AFTER name;alter table add multiple columns mysql
CREATE TABLE IF NOT EXISTS vendors (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(255)
);
ALTER TABLE vendors
ADD COLUMN phone VARCHAR(15) AFTER name;mysql update one table from another table multiple columns
update tabe2 set subject_id = (SELECT GROUP_CONCAT(sub_id SEPARATOR ', ') as sub_id FROM tabe1)Copyright © 2021 Codeinu
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