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Materialized view taking too long in 19C

in Database Administration (MOSC) 5 commentsAnswered

Hello,

We imported with datapump some MVs from an 11.2.0.4.0 instance to a 19.11 instance.

and after that they are taking too long to refresh (more than 60 times the time they took in 11G)

we found this note:

NOTE:2762292.1

that suggests changing the parameter optimizer_features_enable (was at 19.1.0) to the database version but it seems 19.11 isn't available as a value.

the most recent value being 19.1.0.1, we used that. but it still didn't work.

Could anyone offer us some insight on that?

thanks in advance

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