ObjectDB Database Search

51-100 of 200 results

Integration

Hi, Is there a way to integrate ObjectDB with Spring Framework to add the benefits of Transaction Management and DAO Support? Regards, lorenzo.sm Lorenzo Solano Martinez ObjectDB is used ... integration and it seems that you are right and the third method didn't work with ObjectDB

Maintaining referential integrity

integrity and it is the application responsibility to avoid such deletion. The ObjectDB Doctor

Integrating the ObjectDB logging into the application logging based on slf4j

Integrating the ObjectDB logging into the application logging based on slf4j

Refresh data in application after database data has changed

Refresh data in application after database data has changed

can not use spring-data-jpa repository with NamedQuery

in spring- data -jpa named queries are used to implement repository interface methods, see http://static.springsource.org/spring- data / data -jpa/docs/current/reference/html/#jpa.query-methods.named ... (SharedEntityManagerCreator.java:310) at $Proxy24.getParameters(Unknown Source) at org.springframework. data .jpa

Spring Data JPA

Hello! When i configure Spring Data JPA to use ObjectDB 2.4.0_03 i get an exception ... .getMetamodel(Unknown Source) at org.springframework. data .jpa.repository.support.JpaEntityInformationSupport.getMetadata(JpaEntityInformationSupport.java:56) at org.springframework. data .jpa.repository

Exporting the data out of the ObjectDB

system. However we want to work on one of the aspects that is the data should be able to pulled out of the ObjectDB to some sort of Big Data File system or Relation DB for reporting / analytics ... our OLTP to be affected by data intensive reporting and analytics requirements. This could be handled

Missing Data on Retrieval (0, null values)

Table contains all necessary Data . Most of the others  contains all  Object-Rows ... More information is needed (e.g. about your method exportToCSV ). support Support The Data is even missing in ... ) then you must make sure that data is fetched from the database before you your first reflection operation

Spring Data JPA - PersistenceException thrown

) at com.sun.proxy.$Proxy13.getMetamodel(Unknown Source) at org.springframework. data .jpa.repository ... ) at org.springframework. data .jpa.repository.config.JpaMetamodelMappingContextFactoryBean.createInstance(JpaMetamodelMappingContextFactoryBean.java:56) at org.springframework. data .jpa.repository

Finance data from SQL Server into ObjectDB daily

data mart that is appended to daily via an SSIS package. I would like to pull the data from SQL, add ... other JPA implementations to retrieve data from RDBMS tables and then use the same JPA entity classes to store the data in ObjectDB. support Support Hi -   Thanks for getting back to me. I'm unfamiliar

Wrong data stored in time only fields

This may be related to the fix for the problem described in this thread: Wrong data stored in date ... are using the 2015g time zone data . While we cannot see a problem with date only fields (more testing ... , but see further explanation of some odd values below. Here is the data used to create the 9 records: 2015-12-19 18:12:53,000

Data portability

Hi, I've never used an OODB, I'm looking for a starting point but a recurrent concern is the Data Portability one. More clear: what options / strategies do I have to export / move my data ... Portability (based on JPA/JDO standards), but what about Data Portability? Regards, lorenzo.sm Lorenzo

JPA and handling large data sets

. But exporting large binary data sets is very slow. To avoid memory problems the binary data type is read step ... data sets the way is slow. We have an own entity for storing binary data (pictures, documents). Hint: The export enumerates all entities(=table) for exporting data . An overview of this problem

ObjectDB data migration/extraction

Hi What is the way to extract data from ObjectDB to relational databases (Oracle). We need to feed an Oracle database with data for reporting/datawarehosing. Should JPQL be used or is there some ... , so you will have to migrate data using your own code. Notice that you should be able to use ObjectDB with BIRT to produce

Import data from MySQL

mysql data into objectdb? gzdillon Lai Yang Currently to import data from other databases ... data from MySQL using JPA as entity objects, detach the retrieved entity objects and then persist them into ObjectDB. An automatic data conversion utility is expected to be implemented as

Retrieve data of all entity classes in a single query

I have in an objectdb file 10 Entity Classes with some data in each (Athlete, Trainer, Stadium etc) This is the code I use to retrieve all Managed Types and data for the Athlete class Metamodel ... ); } } Is there a way to get data of all classes without writing down 10 different queries (i.e. using the for loop

Integration with Java EE (JPA 1.0)

ObjectDB can be used in both Java EE and Java SE by using application managed EntityManager . Support of container managed EntityManager and integration with the JTA (Java Transaction API) is not implemented yet. support Support Support for Java Transaction API (JTA) and running ObjectDB in Java

Terracotta Ehcache Integration

Terracotta Ehcache Integration

SELECT clause (JPQL / Criteria API)

for accessing the result data . CriteriaBuilder.construct JPQL user-defined result objects

Database Transaction Replayer

of recording is data durability, you can keep the recording directory on a different physical device

Database Replication and Clustering

root directory, $replication , which is located under the server's data root directory. To start

ObjectDB License Agreement [ver. 2.0.4]

to loss of revenue, profit or data ) however caused and regardless of the theory of liability, arising

Is ObjectDB better than competing object databases?

of the Java Data Objects (JDO) API than competing object databases. By using a standard API such as JPA

Index Definition

is an ordered map data structure that ObjectDB maintains in the file system, not in memory. The B

JPA Query Structure (JPQL / Criteria)

...]] [ORDER BY ...] The SELECT and FROM clauses are required in every query that retrieves data ; update

JPA Extended API Reference Guide

, criteria queries, and JPQL for data retrieval and manipulation. Describes the metamodel and graph APIs

DELETE Queries in JPA/JPQL

an alternative way to delete entities. Unlike SELECT queries, which retrieve data from the database

Literals in JPQL and Criteria Queries

all JPA implementations. Unlike most other JPQL components, string literals (which represent data

What are the main benefits of using ObjectDB?

multiple values (even for a simple data structure such as a collection of strings). In addition

JPA Core Types

-level cache. Use it to check if specific entities are cached or to evict data to ensure

What is ObjectDB?

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.), but it uses an object oriented model to store and manage data . You can easily store ordinary

Database Schema Evolution

these changes explicitly in the configuration to avoid data loss. The Schema Update section in Chapter 6

Eclipse Distribution License - v 1.0

GOODS OR SERVICES; LOSS OF USE, DATA , OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

Can I use ObjectDB to access a relational database?

To access relational databases using the Java Persistence API (JPA) you will need an Object Relational Mapping (ORM) tool, such as Hibernate, TopLink, EclipseLink, Open JPA or DataNucleus. The DataNucleus ORM implementation supports also the Java Data Objects (JDO) API. ObjectDB is a full featured

Eclipse Public License - v 1.0

of program errors, compliance with applicable laws, damage to or loss of data , programs or equipment

Running JPA Queries

other cases, the expectation of a single result might be incorrect, depending on the data in the database

JPA Criteria Query Selection and Results

The JPA Criteria API provides type-safe interfaces for defining query result expressions and ordering, mirroring the SELECT and ORDER BY clauses in JPQL or SQL. These interfaces allow you to specify exactly what data is returned and how it is sorted within the result set. SELECT clause elements

UPDATE SET Queries in JPA/JPQL

an alternative way to update entities. Unlike SELECT queries, which retrieve data , UPDATE queries modify

JPA Optimistic and Pessimistic Locking

Jakarta Persistence (JPA) supports both optimistic locking and pessimistic locking . Locking is essential to avoid update collisions when concurrent users simultaneously update the same data . In ObjectDB each entity is locked separately, there is no table locking. Optimistic locking is applied

ObjectDB Website - Terms and Conditions of Use

, damages for loss of data or profit, or due to business interruption,) arising out of the use or

About Us

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management System (ODBMS). ObjectDB Software is the market leader in providing a very high performance persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO

Chapter 4 - JPA Queries (JPQL / Criteria)

the expressions used to build JPQL and criteria query clauses: ObjectDB also supports the Java Data Objects

JPA Listeners & Callbacks Annotations

Trigger logic after retrieving data from the database: Executes after an entity is loaded into

jakarta.persistence.CacheStoreMode

when data is read from the database and when data is written to the database. USE indicates that data may be written to the second-level cache. BYPASS indicates that data may not be written to the second-level cache. REFRESH indicates that data must be written to the second-level cache

Best practise loading big data

is the main data provider within our solution. In the past we often discovered performance problems ... data access on a large 2 dimansional table. Internally we used a list entities which hold a list ... . Creating and traversing. For the traversing we access the data block by block - in each block step by

jakarta.persistence.OrderColumn

column must be of integral type. The persistence provider maintains a contiguous (non-sparse

Step 3: Define a Spring DAO Component

Operations on the database will be performed by an instance of a Data Access Object (DAO) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Projects] window under Source Packages) and selecting New

Step 3: Define a Spring DAO Component

Operations on the database will be performed by an instance of a Data Access Object (DAO) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package Explorer] window) and selecting  New Class

Step 2: Create a Project and a Report

file name (e.g. report.rptdesign ) and click Finish. The next step is creating an ObjectDB data source .

Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used. Therefore, it might be the first choice for most new applications. You can use JPA as