database performance - Drawbacks of using manually created temporary tables in MySQL -


i have many queries use manually created temporary tables in mysql. want understand if there drawbacks associated this.

i ask because use temporary tables queries fetch data shown on home screen of web application in form of multiple widgets. in organization significant number of users, involves creation , deletion of temporary tables numerous times. how affect mysql database server ?

execution plans can't optimal when add/use/remove tables when talk databases in general. takes time generate execution plan, db unable create 1 when use described approach.


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