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Editor to share with you how mysql modifies the automatic generation time of fields. I hope you will gain a lot after reading this article. Let's discuss it together.

Mysql modify field automatic generation time method: 1, add CreateTime to set the default time; 2, modify the CreateTime setting default time; 3, add UpdateTime to set the default time.

Mysql method to modify the automatic generation time of fields:

1. Mysql script implementation

-- add CreateTime to set the default time CURRENT_TIMESTAMP

ALTER TABLE `table_ name`add COLUMN `CreateTime` datetime NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'creation time'

-- modify CreateTime to set the default time CURRENT_TIMESTAMP

ALTER TABLE `table_ name`MODIFY COLUMN `CreateTime`datetime NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'creation time'

-- add UpdateTime set default time CURRENT_TIMESTAMP set update time to ON UPDATE CURRENT_TIMESTAMP

ALTER TABLE `table_ name`add COLUMN `UpdateTime` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'creation time'

-- modify UpdateTime setting default time CURRENT_TIMESTAMP set update time to ON UPDATE CURRENT_TIMESTAMP

ALTER TABLE `table_ name`MODIFY COLUMN `UpdateTime`creation time'

2. MySQL tool settings

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