Hi, all. I just talked to Michelle Caisse, who is working on the JDO 2.0 TCK. They are using Derby for this. When she dropped a new version of her test harness, the performance increased by 6 times. The team spent a long time trying to track this down, and they discovered that the difference was that the new harness explicitly specifies the schema name in the table definitions and queries, whereas before they used the default schema.

Does anybody have any ideas as to why this might be the case?

Thanks,

David

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