* t.dalpo...@gmail.com (t.dalpo...@gmail.com) wrote: > I've a very huge table whose 1st column is a numeric value, starting > from 0 at the 1st row and incremented by 1 each new row I inserted. > No holes, no duplicates. > I need to perform some very fast query based on this value, mainly > around the last inserted rows. > What is the best I can do? A normal index or is there a way to > instruct the system to take advantage from that strong order? > In theory, the number of the row is the only info the system would > need to directly access that row. > So I'd like to avoid useless complex indexes if possible.
A BRIN index should work pretty well in that scenario. A btree index would most likely be better/faster for query time, but more expensive to maintain. Thanks! Stephen
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