Question : how do i stop my queries from being stored

this happens whenever i create a web app/site that runs with data from a MySql database.

let say i have the name john in mysql and i query the name i will get john! but if i change the name to fred in mysql and run the query again i will still get john for a good while after.. something holds the data for the first query i quess its for quicker access or something! however i need to know how to bypass that issue so each query is treated as a new query every time

thank you all for your help in advance!!

P.S; PHP is my go between for mysql access so its  AS3 > PHP > MySql (sending data)  Mysql > PHP > AS3 (returning data)

Answer : how do i stop my queries from being stored

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