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1

alter table

.Doctor old.odb new.odb Besides, I've stocked more than an hour, after the above command for a 10GB DB
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1

explorer NullPointerException

I studied ObjectDB a few hours ago and got some problems when use explorer. I run it and right-click in 'Open local database' window,and the all the pop menu item is gray and disabled,such as ‘new database’,'new directory','cut','copy' ... if I click 'tools---options' before open database
Forum
1

Failed to read the value of field using reflection (error 363)

version 1.6 u37. After updating to 1.6 u39 (around 3 hours ago), we have not encountered the problem
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1

find repeated records by JPQL

Hi, I know a single command in MySQL can find repeated records: Select * from TTT t where id in (select id from TTT s group id having count(id)>1) I dont know how to do this using JPQL, but I use query from 430,000 records and put them into hashmap, finally it cost one hour and failed
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How to creat a Query with Sql which returns a List<Mark> marks

just mailed me that he has this problem. after sm hours i dont know what to do...    public
Issue
1

Issue with DISTINCT Select

.HND.run(HND.java:133) at java.lang.Thread.run(Thread.java:680) Sorry but I've tried one hour
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1

java.sql.Time field off by 30 minutes

when the time offset includes half a hour (e.g. UTC+05:30). Could you please post the output
Forum
1

JPQL keyword in entity - what to do?

the 2nd argument from Long to long. Works perfectly now. For last few hours I was playing with above query
Forum
1

Left join fetch behaviour doesn't retrieve children?

will be needed.   Well ... that's enough for me, i give up. I have spent too many hours to find a test
Forum
1

Listing large number of complicated objects with paging.

Hi, For last few hours I was working on a problem with bad performance and memory problems with such a simple query: select prod from Product prod order by prod.id ASC Right now I have 55541 'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging