createdAt mySQL code example
Example: add created and updatedAt fields in mysql
ALTER TABLE t1
ADD COLUMN createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
ADD COLUMN updatedAt DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
ALTER TABLE t1
ADD COLUMN createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
ADD COLUMN updatedAt DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;