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Number of Connections to a Access DB
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Points: 86 		Post Options Post Options   Thanks (0) Thanks(0)   Quote webpromo Quote  Post ReplyReply Direct Link To This Post Topic: Number of Connections to a Access DB
    Posted: 27 November 2006 at 6:52pm
Assume I have a database file (database.mdb) with 10 tables in it.  It is better to have 1 DB file with 10 tables or 10 databases with 1 table?
 
I would think it's better to have 10 databases cause then you can have more connections avialable.
 
It the rule 10 concurrent connections per database (File) or 10 concurrent per table in a database file?
 
 
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Points: 4670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote michael Quote  Post ReplyReply Direct Link To This Post Posted: 27 November 2006 at 8:18pm
Having 10 databases would mean you had to load the jet engine overhead for 10 databases which would result in a higher memory consumption. Plus you could not setup any relationships between the tables... unless you have a well visited site (and you should move to mySQL or MSSQL anyway) you are fine with your 10 tables.
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Points: 3937 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dpyers Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2006 at 12:08am
There's a concurrent connection limit for both the data base and the server. Opening 10 db's will probably get you a sarcastic email from the server admin.

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Points: 3008 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MadDog Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2006 at 3:55am
10 databases would be worse than a one 100MB Access DB.
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Points: 9844 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WebWiz-Bruce Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2006 at 9:08am
IIS has a connection pool of about 20 for all Access databases on the server. This would mean that having 10 databases is worse than 1 in this instance as it would mean having to open 10 database connections instead of just 1. It would also be a big performance drain and you would see slower page processing times.
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