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About composite

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Manual
22

Database Replication and Clustering

should represent a user on the slave server rather than on the master server. Finally, a composite url ... .odb;user=b;password=b" ); A composite url contains two or more database urls separated by
FAQ
16

Is ObjectDB better than competing object databases?

almost every application. ObjectDB supports user defined primary keys including composite primary keys. The support
JPA Doc
16

JPA Annotations for Classes

are useful in representing composite primary keys as explained in the Primary Key section of the ObjectDB manual.
Manual
16

Logical Operators in JPQL and Criteria API

Logical operators in JPQL and in JPA criteria queries enable composition of complex JPQL boolean expressions out of simple JPQL boolean expressions. Logical Operators ObjectDB supports 2 sets of logical operators, as shown in the following table: Set 1 - JPQL / SQL Set 2 - Java / JDO AND && OR
Manual
16

Numbers in JPQL and Criteria Queries

.g. LOCATE, LENGTH. as composite arithmetic expressions that use operators and functions to combine
Result
16

What is new in ObjectDB 2.0?

query execution. Support of composite indexes and using indexes in query result sort. Improved query
Manual
16

Defining a JPA Entity Class

keys,  including composite primary keys and automatic sequential value generation
Manual
16

SELECT clause (JPQL / Criteria API)

propagated to the database. Multiple SELECT Expressions The SELECT clause may also define composite
JPA Doc
9

javax.persistence.MapsId

. The value element specifies the attribute within a composite key to which the relationship attribute ... ; ... } // dependent entity uses EmbeddedId for composite key @Embeddable ... within the composite key to which the relationship attribute corresponds. (Optional) The name of the attribute
Issue
5

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

: RequestBean []: Created: com.greensoft.entity.Activity [null](TEST: activity 4 (AND composite)) INFO: RequestBean []: Persisted: com.greensoft.entity.Activity [21](TEST: activity 4 (AND composite)) INFO ... []: Updated: com.greensoft.entity.Activity [21](TEST: activity 4 (AND composite)) INFO: RequestBean