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Index Definition

, float, double. Equivalent wrapper classes from package java.lang: Byte, Short, Character, Integer ... execution. Indexes are especially efficient in lookup and range queries: SELECT p FROM Point p WHERE p.x = 100 SELECT p FROM Point p WHERE p.x BETWEEN 50 AND 80 SELECT p FROM Point p WHERE p.x >= 50
Result
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ObjectDB Object Database Features

attributes, grouping queries and aggregate queries) which are usually missing from Object Oriented ... can manage databases of various sizes efficiently, ranging from kilobytes to terabytes. Platform ... operating system resources). Unlimited CPUs and cores. Reliability and Stability Recovery from failure by
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12

Dependency from enhanced classes to the objectDB library

Hello, we have a Question to the dependency from enhanced classes (required for license ... the example (Eclipse OSGi Example #2) I have the ObjectDB removed from the bundle "com.btc.ep.base.bl.impl". Now we get the error message from post #1. java.lang.NoClassDefFoundError: com/objectdb/spi
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12

Failover from Master to Slave

to evaluate your tool I would like to know if your product has the ability to failover from a Master ... , but if the Master database goes down the application will still be able to read from the slaves ...   Currently automatic switching from a failed master database to a replicated database
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12

Finance data from SQL Server into ObjectDB daily

feedback from the community to see if I'm thinking about it right.   We have a finance data mart that is appended to daily via an SSIS package. I would like to pull the data from SQL, add ... ? Is there a way to map the structure of the table directly into ObjectDB from SQL Server?   Thanks
Manual
12

JPA Persistable Types

only once even if they are referenced multiple times. Referencing instances of other persistable types from multiple ... most cases ObjectDB can overcome a missing no-arg constructor. Aside from these constraints ... : boolean, byte, short, char, int, long, float and double. Equivalent wrapper classes from package
Manual
12

Strings in JPQL and Criteria Queries

(when present) specifies from which position to start the search. LOWER and UPPER - Changing String Case ... ] FROM] str) function returns a string after removing leading and/or trailing characters (usually space characters). For example: TRIM(' UK ') is evaluated to 'UK'. TRIM(LEADING FROM ' UK
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12

How to define database structure and insert some initial objects from scratch

Hi from Spain! We're evaluating ObjectDB and we have some questions: - How can we create ... need initial structure like tables, but how can we populate some "tables" with initial data from ... jdbc driver for ETL software like Kettle? How about migrating data from another database
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12

Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA You can execute a DELETE query:     em.createQuery("DELETE FROM MyEntity e").executeUpdate ... . The code “createQuery("DELETE FROM MyEntity e").executeUpdate();” works, but it can not reset id to zero
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12

migration path from JPA / Hibernate

when using Entities previously geared towards JPA / Hibernate migrating data from existing ... program that retrieves entity objects from Hibernate, detaches them and then persists them using ObjectDB ... for the detailed answers! > retrieves entity objects from Hibernate, detaches them and then persists them using