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Manual
13

JPA / JDO Class Enhancer

of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes ... . by using the get and set methods). If you follow this practice only user defined persistable ... ), *? wildcards supported include: -cp   :  path to input user classes -pu
Manual
13

Locking in JPA

update collisions resulting from simultaneous updates to the same data by two concurrent users. Locking ... if the version numbers do not match, indicating that the object has been modified by another user (using ... cannot be granted: A PESSIMISTIC_READ lock request fails if another user (which is represented by
Manual
13

General Settings and Logging

" />   user="true" password="true" /> user="true" password="true" /> ObjectDB manages a list of the recently accessed ... . This feature can be disabled by specifying 0 as the maximum list size. The user attribute specifies
Manual
11

Server Configuration

is affected also by other elements in the configuration file, particularly the <users> and the   elements
Manual
11

JPA Persistence Unit

A JPA Persistence Unit is a logical grouping of user defined persistable classes (entity classes ... ://localhost/my.odb"/>
Manual
11

SELECT clause (JPQL / Criteria API)

and user defined embeddable objects) return as results value copies that are not associated ... the result data. CriteriaBuilder's construct JPQL user defined result objects are also supported by the JPA ... instance, which represents results as instances of a user defined class (CountryAndCapital in
Manual
9

Setting and Tuning of JPA Queries

em can be visible to anyone who uses em, even before committing the transaction (but not to users ... uses automatic optimistic locking to prevent concurrent changes to entity objects by multiple users
FAQ
9

Is ObjectDB better than competing object databases?

databases do not support user defined primary keys, even though this is very useful in almost every application. ObjectDB supports user defined primary keys including composite primary keys. The support
FAQ
9

Is ObjectDB scalable? What are its limitation?

ObjectDB is highly scalable and can manage efficiently databases in a wide range of sizes, from a few Kilobytes to hundreds of Gigabytes and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded multi user applications. ObjectDB
Manual
9

Query Parameters in JPA [2011-04-01]

is received as an input from the user and then embedded in the query string as is. Instead of a simple country name, a malicious user may provide JPQL expressions that change the query and may help