Fast Object Database for Java - with JPA/JDO support

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18

Connection performace after upgrade to objectdb 2

you very much for you reply. However, do you know why the connection cost in objectdb 2 is higher than objectdb 1
18

Number of current connections

Is there any way to find out the number of current connections to the DB server? natmaclin Natalia Levine Currently not. You may subscribe to this feature request and update it according to your needs. support Support
18

Safe to monitor listening port by connect/disconnect?

I wish to monitor our instances of ObjectDB using an automated tool that simply connects and then disconnects from the ObjectDB listening port once per second (frequency is configurable). Will this cause any issue with the normal operation of ObjectDB? CAPdev CAP Dev It should be fine. support Support
18

ObjectDB Server Connection Permissions

It would be useful if instead of creating a web service layer on top of a database, I could just set up permissions to entities and entity variables for client connections. This would be beneficial when providing specific raw data where additional business logic is not required. I suppose
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ObjectDB Object Database Features

objects per database file. Unlimited database connections (limited only by operating system resources ... a result of years of R&D). Outperforms competing products. Connection Pooling Automatic connection pool managed by EntityManagerFactory. Configurable - minimum/maximum connections and timeout. Caching L1
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[ODB1] Chapter 9 - ObjectDB Explorer

To open a connection to a remote database using client-server mode (supported only by ObjectDB ... the Open dialog you have to fill in the host, port, username and password of the remote connection ... " menu command to close a local database file or a connection to a remote database file. The Tabbed
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Invalid/Missing licence when connecting, however correct licence is definitely present

Invalid/Missing licence when connecting, however correct licence is definitely present
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Server User List

a username and a password that have to be provided when the user connects to the server. The optional ip attribute, if specified, restricts the user to connect to the server only from the specified IP ... .0.0-192.18.194.255,127.0.0.1" allows connecting from any IP address in the range of 192.18.0.0
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Step 4: Add a Servlet Class

, IOException { // Obtain a database connection: EntityManagerFactory emf ... { // Close the database connection: if (em.getTransaction().isActive ... the application scope attribute, and then an EntityManager (representing a database connection
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Step 4: Add a Servlet Class

response) throws ServletException, IOException { // Obtain a database connection ... , response); } finally { // Close the database connection: if (em ... (representing a database connection) is constructed. If a new guest has registered (using a JSP form

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support