I obviously developed it locally, where only 1 user was engaged at one time during the testing...

Now if I upload it, will it be multi-user on its own ?? See all the tables I created did not have any ID that will define which user has filled these data in the table...by mistake I created everything in environment where 1 user was testing the site.

If I publish it online...and more than one user are working on the site at the same time...so will saperate datbase tables be created fo different users or will the site crach coz I developed it for 1 user..and more than 1 users are working on it ???

Thanks
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