How can wordpress works without transactions?

In wordpress there are tags. So when a user insert a post, wordpress have to do at least 2 queries ( insert in the POST table and insert in the POST_TAG table ).

How can this works good without using transactions ( and so innodb ) ?

I am wondering this because I am designing a similar project with POST and TAG tables and a many to many relationship and I can't use innodb.


Wordpress isn't often used in environments where there are a lot of concurrent users posting articles at the sametime. Where as, an open blogging platform like is used by millions of users at once.

So a collision of transactions isn't likely to happen for the average Wordpress user.

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