ObjectDB Database Search
1-50 of 200 resultsObjectDB Manual Hello, I would like to be able to read or refer to the ObjectDB manual (v2) on my Kindle. Unfortunately, I didn't find any option to download the manual , either as a .pdf (most convenient) or as ... ) Is there such an option I'm unaware of on your website or could you make the manual available for offline | |
JDO manual Request for a new JDO manual , covering ODB 2. dmoshal David Moshal Please subscribe to the ObjectDB 2 JDO Manual issue. Because writing a new manual and then maintaining two similar manuals , one for JPA and the other for JDO requires massive work, this will be done only if there is a sufficient demand. support Support | |
ObjectDB 1.0 Manual. Feedback We would appreciate any comment or suggestion regarding this manual . Please send your comments or questions to support@objectdb.com . | |
Where can I learn how to use ObjectDB? The best source for learning ObjectDB is the ObjectDB Manual , which contains all the necessary information for using ObjectDB. The only required background is a good understanding of the Java language. Reading the manual and getting started with ObjectDB could be easier for developers with prior | |
JPA Criteria Query Expressions how whitespace should be trimmed ( LEADING , TRAILING , or BOTH ). For more details and examples, see the Query Expressions section in the ObjectDB manual . | |
JPA Named Queries Annotations of the ObjectDB Manual . Query references Access named queries in the application by name or by using | |
JPA Attributes Annotations . An enumeration defining the SQL type mapping: DATE , TIME , or TIMESTAMP . For more details, see the Persistent Classes chapter in the ObjectDB manual . | |
JPA Extended API Reference Guide. For a comprehensive guide on using JPA with ObjectDB, refer to the ObjectDB manual . | |
JPA Queries instructions, refer to the JPA Query API section in the ObjectDB manual . Criteria query API | |
JPA Named Queries) JPA providers and less so for ObjectDB, this manual does not cover that alternative. Using Named | |
JPA Value Generation Annotations columns. For more details about automatic value generation, see the Generated Value section in the ObjectDB Manual . | |
ObjectDB - JPA Object Database for Java Mapping (ORM) tools can reduce some manual work but cannot eliminate the extra processing time | |
JPA Container Injection Annotations a dependency on an EntityManagerFactory , useful for creating EntityManagers manually or accessing factory | |
JPA Metamodel and Graphs and further explanation, refer to the JPA Metamodel API section in the ObjectDB manual . Criteria query | |
What's next? This chapter introduced the basic principles of JPA with ObjectDB. For more details, see the other chapters in this manual . To start using ObjectDB immediately, follow one of the tutorials below to create and run the example program from this chapter: These tutorials explain how to run the example | |
CRUD Database Operations with JPA of this manual describes how to use JPA for database operations in more detail. | |
ObjectDB 2 JDO Manual The new ObjectDB Manual describes how to use ObjectDB 2 with JPA. An additional manual that focuses on using ObjectDB 2 with JDO can help JDO users. But since writing a new manual and then maintaining two similar manuals , one for JPA and the other for JDO requires massive work | |
probable error in text of manual about embeddable classesprobable error in text of manual about embeddable classes | |
jakarta.persistence.criteria.CriteriaUpdate optimistic locking checks. Portable applications using bulk update operations must manually update the value of the version column, if desired, and/or manually validate the value of the version column | |
Step 7: Run the Spring Web App . To install a new server check the Manually define a new server radio button (after Run As Run on Server ... ; ObjectDB Explorer : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Soft Reference Object Cache Recommendation myself and, upon detecting a full JVM GC, manually evict JdoBlob2s from their relevant PersistenceManager ... , including manually allocating a 1 GB softly referenced byte[] that immediately gets GC-ed on a full GC ... all objects in a manual strong reference list and upon GC detection manually remove the strong | |
JDO sequences from ORM file for this type of file, though I can't see a mention of it in the manual . But I've tried creating one as ... It is supported, but not mentioned in the manual , because the new manual focuses on JPA (the old JDO manual | |
Updating Entities of the UPDATE query manual page : Updating entity objects in the database using an UPDATE query ... is a very basic principle of JPA. See this manual page . You should have read it in the manual ... ). As I identified (and is noted in the manual you linked) - objects within two separate | |
Step 4: Run the Application : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Step 2: Define a JPA Entity Class Manual . But nevertheless, this class is a valid ObjectDB entity class, despite the warning | |
Step 6: Run the Java EE 6 Application : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Step 4: Run the Application by opening it in the ObjectDB Explorer : This is the end of the Eclipse JPA tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Step 6: Run the Web Application the database file in ObjectDB Explorer : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Getting Started with JPA. The sample application is also explained in details in Chapter 1 of the ObjectDB Manual , but if you prefer | |
Step 6: Run the Java EE 6 Application server and open the database file in ObjectDB Explorer : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Step 6: Run the Web Application of the tutorial. Learn more about ObjectDB and JPA by reading the Manual . | |
Step 2: Define a JPA Entity Class definition in an XML file is missing. This is discussed in the ObjectDB Manual | |
Online Backup in client-server mode should be created. See also the ObjectDB manual . support Support Hello, Thank You, I missed that part in the ObjectDB manual . Indeed we've had the File as the parameter. But now ... - that is also the behaviour as described in the manual : "When a string is specified as a value for the target | |
ObjectDB CRUD Examples these manual pages . We do not have specific NetBeans examples in addition to the tutorials ... this is really the only place to start... ThreaT Ashton Hogan Please consider reading the entire manual ... cannot replace the manual , which has to be read. support Support | |
Query problem after transaction commit printing result 31 [start database explorer on server manually ] 32 searchGoods: start query 33 SELECT u ... on server manually ] searchGoods: start query SELECT u FROM Goods u where u._code like :code code ... explorer on server manually ] searchGoods: start query SELECT u FROM Goods u where u._code like :code | |
Where Does ObjectDB Block/Lock? at transaction.commit() if optimistic=true? 5) ObjectDB 1.0 Manual (Support Knowledge Base ObjectDB 1.0 Manual 5. JDO Connections 5.3 javax.jdo.Transaction Automatic Lock Management Last sentence)  ... and therefore ObjectDB 1.0 Manual's statement suggests datastore transactions (optimistic=false) would be faster | |
Is there a function of "drop table" or "delete from table"? FROM MyEntity e").executeUpdate(); This is implemented since version 2.2.4 but the manual has not ... () cause exceptions. Yes, you'd better to put it into manual , since "drop table" is often in debugging ... the manual . About your other question - I will move it to a separate thread. Please follow the  | |
Removing objects where ManyToMany relationships exist; Would I need to manually go through all Entities in the database to check if there's a TreeSet where an entry points to an to-be-removed OtherEntity, to remove it from the Set manually ? Hope not | |
ObjectDB throws `NullPointerException` in internal code (`com.objectdb.o.ENH.b`) are described in the manual , for example, the server must be restarted after any schema change. If possible ... Perić You can find the relevant guidelines in the following sections of the manual : Database Schema | |
connection pooling how do you handle connection pooling? I don't understand how to open and close connection, or reconnect. I've referenced the manual here, but where does this go: The element   ... them when it creates new EntityManager instances. See this manual page for more information on working | |
explorer feature request: ability to auto refresh Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. (at a minimum one ought to be able to manually refresh, for example the list of persistent ... but are now disabled - including editing, basic querying and manual refresh. support Support thanks, I | |
Composite indexes Hi, I read your manual about defining Indexes for JPA Entities (http://www.objectdb.com/java/jpa/entity/index), but I still have some problems understanding how and when should I use them.   ... on the order of the indexed fields as explained in the Indexes in Queries section of the manual . In | |
Cascading (persist) with a mix of enhanced and not enhanced entities EmbeddedSystems According to the manual : "There is one case, however, where enhancement is required. Non ... must also be enhanced." In addition, although not specified in the manual , if a class is enhanced | |
Dirty checking is manually calculating changes specific to each of the 60 request types, which is error-prone ... . and, having to manually save each one. Question: What's the best way to cascade persistence of Entities | |
multi EntityManager with Spring Boot, but 'Too many persistable types (>10) the activation code in the configuration file. See this manual page , regarding where ObjectDB ... is same.) any suggestions? Tsu Masaaki Tsugami See this manual page , regarding where ObjectDB | |
[ODB1] Chapter 8 - ObjectDB Server has to be restarted manually to apply configuration changes. The element The element specifies the data | |
combined index not used to the log if this threshold is exceeded again. Ability to manually select the query plan ... with multiple JOIN operations with very slow execution time you may be able to manually select the best query plans for these queries as a quick workaround. support Support To manually select a query plan | |
cannot delete objects after crash (see issue 2283), too ? Recording enables manual recovery by running the Transaction Replayer . - is the replication possible ... indicated in the manual ). Modern OS and disk managers may optimise IO operations by reordering them. In | |
objectdb.home for client/server Currently, we do need to manually setup the objectdb.home property eventhough we're working on client/server mode. However, without setting this in our client, he complains about the missing ... an error. In the manual you can learn about the default ObjectDB home directory and the path | |
Removing of an entity removes also another entity type the ObjectDB manual : Updating entity objects in the database using an UPDATE query ... EntityManager . See also this relevant paragraph in the ObjectDB manual : Removing entity objects from |