If you didn't need persistence, I would point you at IPC:MM, which has unbeatable performance.
And that would disregard the portability requirement.
...These are faster than SQLite.
But neither speaks SQL. You should only consider SQLite if your aim is to have a RDMS.

In reply to Re: Re: Concurrent access to temporary and persistant storage by Anonymous Monk
in thread Concurrent access to temporary and persistant storage by hacker

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