Databases
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PO
 

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    <p>I don't agree that using the database for user access control is as dangerous others are making it out to be. I come from the Oracle Forms Development realm, where this type of user access control is the norm. Just like any design decision, it has it's advantages and disadvantages. </p> <p>One of the advantages is that I could control select/insert/update/delete privileges for EACH table from a single setting in the database. On one system we had 4 different applications (managed by different teams and in different languages) hitting the same database tables. We were able to declare that only users with the Manager role were able to insert/update/delete data in a specific table. If we didn't manage it through the database, then each application team would have to correctly implement (duplicate) that logic throughout their application. If one application got it wrong, then the other apps would suffer. Plus you would have duplicate code to manage if you ever wanted to change the permissions on a single resource.</p> <p>Another advantage is that we did not need to worry about storing user passwords in a database table (and all the restrictions that come with it).</p> <p>I don't agree that "Database user accounts are inherently more dangerous than anything in an account defined by your application". The privileges required to change database-specific privileges are normally MUCH tougher than the privileges required to update/delete a single row in a "PERSONS" table.</p> <p>And "scaling" was not a problem because we assigned privileges to Oracle roles and then assigned roles to users. With a single Oracle statement we could change the privilege for millions of users (not that we had that many users). </p> <p>Application authorization is not a trivial problem. Many custom solutions have holes that hackers can easily exploit. The big names like Oracle have put a lot of thought and code into providing a robust application authorization system. I agree that using Oracle security doesn't work for every application. But I wouldn't be so quick to dismiss it in favor of a custom solution.</p>
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    1. POShould application users be database users?
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    1. COSome good points. I think you need a "serious" RDBMS like oracle before these stand up, but in some environments this could be appropriate.
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