Luca Mearelli wrote:
> Hongli Lai wrote:
> In any case using real bind variable would represent a further 
> optimization step, as it'd allow a fine tuning of which bind variables 
> vs literal values use in each query.

Agreed. In my tests the _client_ performance impact of using real bind 
variables instead of relying on cursor_sharing of similar was basically 
non-existent, but there was some (small, but still some) server 
improvement. Plus some Oracle query plans worked better (ie., required 
fewer hints) when constants were left as constants.


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