sql auto update dupdated_at

sql auto update dupdated_at -

ALTER TABLE t1
ADD COLUMN created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
ADD COLUMN updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;

sql auto update dupdated_at -

CREATE TABLE t1 (
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ,
  updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

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sql auto update dupdated_at

sql auto update dupdated_at -

sql auto update dupdated_at -

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