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Database size is much larger than expected (x2)

I store images into objectdb. The schema is : So simple a class will fail after 155,648 insertions with -Xmx1432m, insertions?

javax.persistence.Column

/insertable" title="Annotation Element of javax.persistence.Column">insertable (Optional) Whether the column is included in SQL INSERT statements ... ="description"> (Optional) Whether the column is included in SQL INSERT statements generated by

javax.persistence.MapKeyColumn

insertable" title="Annotation Element of javax.persistence.MapKeyColumn">insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence

Threaded Test - Failed to commit transaction: Unexpected internal exception

> Producer thread inserts object into the "queue" database Consumer thread reads and removes an object from the "queue" database Consumer thread inserts object into ... due to the second insert/remove but it runs at a relatively consistent pace and completes ok.

Storing JPA Entity Objects

/java/jpa/EntityTransaction/commit">commit(); Splitting a batch store into multiple

Step 4: Add a Controller Class

/dao">GuestDao component is automatically constructed and injected by Spring into

Step 2: Define a JPA Entity Class

-left: auto; margin-right: auto;"> Copy and paste the following code into the newly created

Step 6: Set the Spring XML

To integrate the Spring Framework into a web application we have to add the definition of the Spring dispatcher servlet to the web.xml configuration file and to configure that servlet using another xml configuration file. Open the web.xml

Step 6: Set the Spring XML

To integrate the Spring Framework into a web application we have to add the definition of the Spring dispatcher servlet to the web.xml configuration file and to configure that servlet using another xml configuration file. Open the web.xml file

[ODB1] Chapter 6 - Persistent Objects

are divided into persistent objects, which represent database objects, and transient objects