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Just a nit pick, but index-only scans were added in 9.2 https://wiki.postgresql.org/wiki/Index-only_scans https://wiki.postgresql.org/wiki/Index-only_scans
by Fishkins 13y ago
Just a nit pick, but index-only scans were added in 9.2 https://wiki.postgresql.org/wiki/Index-only_scans https://wiki.postgresql.org/wiki/Index-only_scans