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Left join fetch behaviour doesn't retrieve children?

:) Thx for your work and your speed to fix it. But i'm curious ... why "mappedBy" broke the left join

Performance with large databases

than fetching by an indexed field, or should these be about the same speed? sjzlondon Steve Zara Retrieval by

Warmup ( preLoad all table rows into memory )

Hi , I have 3 questions for objectdb : 1-) How can i preload all table rows into memory in objectdb ? So i can query fast. I have seen @Cacheable annotation. But i need warmup table to memory when my software boots up. 2-) Also for speed up I am inserting a message into table. But within 1 or 10

In memory processing for ObjectDB

Hi there ! We are building a platform for trades processing where we want to keep our processing speeds very high. We like ObjectDb because its simplicity and the performance benchmarks, but to take it to next level really we wanted to check whether is there any In memory mode available

Multithreading Test and Deadlock

it. Regarding multithreading speed - currently in ObjectDB embedded mode multithreading improves performance

500Mb ObjectDb database opening issue

any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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