About Object Database

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FAQ
15

What are the main benefits of using ObjectDB?

performance. Reducing Development Time and Costs ObjectDB makes database programming easier and faster. The ability to store ordinary objects in the database directly can simplify the code significantly ... fields can be stored by ObjectDB simply as part of the containing object. Relational databases lack
Tutorial
15

Step 3: Define an EJB Session Bean

two methods: persist - for storing a new Guest entity object in the database. getAllGuests - for retrieving all the existing Guest objects from the database. EJB classes are only supported by Java EE ... Operations on the database will be performed by an instance of a session bean (EJB) class
Tutorial
15

Step 3: Define an EJB Session Bean

the database. getAllGuests - for retrieving all the existing Guest objects from the database. EJB classes ... Operations on the database will be performed by an instance of a session bean (EJB) class ... ; @Stateless public class GuestDao { // Injected database connection
Manual
15

JPA Query API

, the same JPQL query which retrieves all the Country objects in the database is represented by both q1 ... results and the lowest known common denominator of all the result objects is Object. When a more specific ... only Country objects), a TypedQuery is preferred. There is another advantage of using TypedQuery in
Result
14

Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management ... persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO
Forum
14

Soft Reference Object Cache Recommendation

size limit being exceeded before the post attempt.  =(  ) I desire to have my persistent objects ... objects before more recently accessed ones.  I attempted to use Java SoftReference to my large byte[] and instruct ObjectDB to use soft reference for its Level One (L1) object data cache.  I disable the L2
Forum
14

Time Sequence Object Command DB

We (www.s2ssystems.com) have a time-sequential object command database.  I would like ... commands are generally used to trigger creation of transient objects.  The database can be branched ... again that the database is not an object database, but rather a command database.  You can of course
Issue
14

each 1-2 days objects on some objectdb level lock/block each other

objects and updates by type per minute), etc. a link for downloading the up to date 60GB database ... queries without any object manipulation in these threads we how have compiled with the 02 version ... (0x00000000bc88c318) is related to reading from the database file using the new "objectdb.temp.concurrent
Manual
13

Query Parameters in JPA

) The following method retrieves a Country object from the database by its name: public Country ... ("name", name).getSingleResult(); } The WHERE clause reduces the query results to Country objects ... other query elements) are represented by objects (of type ParameterExpression or its super interface
Forum
13

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds ... any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database! We gonna work with ObjectDb databases which may have size more than 5Gb and opening database time