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10

order by string with numbers

The sql that works is ORDER BY CAST(SUBSTR(username FROM 4) AS UNSIGNED) ASC Using JPQL SELECT u FROM Users u ORDER BY SUBSTRING(u.username,4)*1 ASC If you have other alternative for JPA
10

Get list of database files

= Utilities.getServerFileSystem(                     host, port, username, password, false ... .getServerFileSystem(                     host, port, username, password, path, false); support Support
7

Server connection management

that it is connected to Client username and IP address Also, a command to force any or all connections closed
7

_PersistenceException: Failed to open file

Hello! I am experiencing a problem: JBWEB000309: type JBWEB000066: Exception report JBWEB000068: message com.objectdb.o._PersistenceException: Failed to open file '/Users/username/JBossSoftware/jboss-eap-6.2/bin/$objectdb:/localhost:8080/db/guests.odb' the path in persistence.xml
7

"where in" query

Is it possible to run a query selecting values that exist in a provided list? e.g. something like: SELECT u FROM User m WHERE u.username IN ('test_user','anotheruser') I've tried various combinations of this including passing the list as a named parameter but without any joy (error
7

Dirty checking

company_name List<User> users } class User{ String username } Now assume a single html table, showing
7

Exception when dataset bigger than treshold

-- 1 odb odb 34K Jun 20 12:26 HomplexTool.odb$ works fine using the same username. During rebuilding
1

Monitoring and Performance counters

connection, see: database name that it is connected to Client username and IP address Also, a command
1

File lock exception on odb$

report JBWEB000068: message com.objectdb.o._PersistenceException: Failed to open file '/Users/username
1

Unable to stop server after starting in SSL mode

/test.odb;user=admin;password=admin" /> --> </server> <users> <user username="xxx" password

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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