You omit a crucial piece of information: what is the typical query? What (how much) does it retrieve and how fast does it need to be? ('quickly' is not very informative...)

I don't see anything in the specification that rules out the most obvious solution, PostgreSQL.

Update: text values in postgres do have a limit of 1 GB (see the manual).

In reply to Re: Store a huge amount of data on disk by erix
in thread Store a huge amount of data on disk by Sewi

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