The method of increasing the original value of mysql

This article mainly introduces the method of increasing the original value of mysql, which is introduced in great detail and has a certain reference value. Interested friends must finish reading it!

The method to increase the original value of mysql: use the updata function in the format of [update table name set field name = field name + 1 [where statement]].

The method of increasing the original value of mysql:

Format:

Update table name set field name = field name + 1 [where statement]

For example, there is a student table in the database. If you want to add a score to a student whose id is 1,

Update student set score=score+1 where id = 1

If you don't add the where system, you won't know exactly which record you want to update, resulting in an increase of 1 in all the score in the table, unless, of course, that's what you mean.

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