Database design for multiple users/connections

Hello All,
My questions are about overall design/strategy of the database.
We are using Oracle 9.2.0 on AIX as a backend for a ColdFusion application. When deployed, the CF app and Oracle will be running on our customer's server, with the customer's various physical locations accessing the server remotely. The customer will manage the oracle database on their server.
With the potential for approximately 70 locations remotely accessing the database at the same time, each remote location will only be selecting and updating their own records out of any table -- i.e. each record contains an indexed "location id" -- although inserting would be a different story.
Would creating views provide the data manipulation performance the users would need? Or perhaps individual schemas with individual tables/indexes for each location id? Or should we consider separate databases?
Does anybody have any ideas or practical suggestions about how to approach this? Are there other considerations that we should be thinking about?
Please let me know if I have not provided enough information. Your comments/criticisms are greatly appreciated.
Louise

Creating views: not an option I think. It would involve a lot of programming with 'instead of' triggers etc.
Seperate databases: a good way if the locations are completely independant and do not share information. This involves more DBA work.
Separate schema's in one database: this would make public synonyms impossible, and is probably not a good option.
Adding a location id to tables: the best way I think, and flexible. You can easily add another location, and locations can easily share information.

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Fa0/23 b888.e3eb.ebac dot1x DATA Authz Success C0A8FF69000000F8008C (user2)
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