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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
Forum
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
Forum
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

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
Manual
12

JPA Query Structure (JPQL / Criteria)

rather than just field values from database tables, as with SQL. That makes JPQL more object oriented friendly ...  of up to 6 clauses in the following format: SELECT ... FROM ... [WHERE ...] [GROUP BY ... [HAVING ...]] [ORDER BY ...] The first two clauses, SELECT and FROM are required in every retrieval query
Result
12

ObjectDB Object Database Features [2018-01-27]

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
Result
12

ObjectDB Object Database Features [2018-10-27]

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
Result
12

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 ... ). Unlimited CPUs and cores. Reliability and Stability Recovery from failure by using a recovery file
Forum
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
Forum
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