About multiplication

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WHERE clause (JPQL / Criteria API)

); q.where(cb.gt(c.get("population"), p)); Multiple Restrictions The second where method takes
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JPA Query Expressions (JPQL / Criteria)

: * (multiplication), / (division), + (addition) and - (subtraction). Comparison operators
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Database Replication and Clustering

ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used, the same database is managed on multiple machines (nodes), possibly in different geographic locations. This could help in achieving high availability, fault tolerance and prompt disaster recovery. In
Manual
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DELETE Queries in JPA/JPQL

cannot include multiple variables and JOIN, and cannot include the GROUP BY, HAVING and ORDER BY clauses
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Setting and Tuning of JPA Queries

uses automatic optimistic locking to prevent concurrent changes to entity objects by multiple users
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ORDER BY clause (JPQL / Criteria API)

expressions is vendor dependent. Query results can also be ordered by multiple order expressions. In
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Deleting JPA Entity Objects

should be cascaded automatically to entity objects that are referenced by that field (multiple entity objects
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Retrieving JPA Entity Objects

(multiple entity objects can be referenced by a collection field): @Entity class Employee
Result
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Activation completed successfully!

. You can use one ObjectDB configuration file on multiple machines by specifying a sequence of
Manual
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JPA Named Queries

", query="SELECT c FROM Country c") public class Country { ... } Attaching multiple named