How to design a mysql database?


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I have one question on the proper construction of DBMS, June 2 we write the application, the database needs to store information from different message and I think it is correct to make one table of messengers which will be based on information such as user ID and TD and the second messengers_type where is the name of the Messager and its room, but my colleague insists that the right thing to do his table for each of the Messager , please tell me how
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Depends on the formulation of the problem.
If you want to handle all messages of the user from different messagerow, it is correct all messages stored in one table.
But if not assumed, then why do your app need?
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If no operation that requires more than one messenger at once - maybe a colleague right...
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