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every time a database is opened. When using client-server mode the <schema> instructions

>substring, ...). time_in_criteria_queries

into 11 three times with a remainder of 2) MOD(8, 4) is evaluated

this site at any time, at its sole discretion.

with millions of objects in the database there is a huge difference in query execution time if proper

every thread usually has its own EntityManager instance while at the same time sharing a single

of the up to date entity class. This is done automatically in memory each time the entity object is loaded

, but it is a one time operation. Once constructed, it can serve the entire application.

the application for the first time, a new ObjectDB database file is generated in the db

with ObjectDB in a very short time, because it is very easy to use. In fact, it is the easiest JDO