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Let's talk about how to quickly set the automatic add time and update time in the MySQL field. The secret of the text is that it is close to the topic. So, no gossip, let's go straight to the following, I believe you will benefit from reading this article on how to quickly set the automatic add time and update time in the MySQL field.

Description:

The setting time field in the MySQL field automatically adds the creation time and automatic update time settings

Set the field type to: timestamp default is set to current_timestamp ()

The update time field type is: timestamp default value is set to current_timestamp () ON UPDATE current_timestamp ()

SQL syntax and examples create table tb_name (join_time timestamp NULL DEFAULT current_timestamp (), update_time timestamp NULL DEFAULT current_timestamp () ON UPDATE current_timestamp ()) CREATE TABLE mytb (join timestamp NULL DEFAULT current_timestamp (), update timestamp NULL DEFAULT current_timestamp () ON UPDATE current_timestamp (), name varchar (12) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4

Data insertion verification

Mysql > insert into mytb (name) value ('xiaoming')

Data update verification

Mysql > update mytb set name= "floret"

Query verification

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