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Relational Databases

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#13 Exabit


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  • Location:Sydney Australia
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Posted 17 January 2013 - 09:29 PM

I understand from this tutorial that each table in the program has an ID and a user ID in it. This means that in order to find a users address table you have to search all the address table's for a UID. Is this right?

If so, is that not a waste of speed having to search each one? Could you not have a session for each logged on user that brings the data to memory. This way any data on them is at hand. However when a user is logged off then you would have to search to find data on them.

Are there any problems with this approach?

Nice tutorial btw :)

Edited by Exabit, 17 January 2013 - 09:30 PM.

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