ObjectDB ObjectDB

Internal Website Search

131-140 of 200 resultsRefresh
11

Optimization Question

to identify exactly what fields have changed from one update to the next. Currently the following sequence executes when a track update comes in: - If it’s a new track simply add it to the database. - If it's an update to an existing track, delete the entire previous entry and then add in the new
2

Memory leak in com.objectdb.o.CST

seem to have alot more spikes than usual. My server's graph is usually fairly flat before this update. Perhaps there is some performance tradoff with this update to save memory usage? In the attached ... it and compare it to objectdb-2.8.3_05(my prior version before this update
2

LockModeType.PESSIMISTIC_FORCE_INCREMENT

Enum Constant javax.persistence.LockModeType PESSIMISTIC_FORCE_INCREMENT Pessimistic write lock, with version update. Since: JPA 2.0
2

LockModeType.OPTIMISTIC_FORCE_INCREMENT

Enum Constant javax.persistence.LockModeType OPTIMISTIC_FORCE_INCREMENT Optimistic lock, with version update. Since: JPA 2.0
2

createNativeQuery(sqlString)

Method javax.persistence.EntityManager Query createNativeQuery( String sqlString ) Create an instance of Query for executing a native SQL statement, e.g., for update or delete. Parameters: sqlString - a native SQL query string Returns: the new query instance Since: JPA 1.0
2

javax.persistence.ManyToOne

: @ManyToOne(optional=false) @JoinColumn(name="CUST_ID", nullable=false, updatable=false) public
0

javax.jdo.InstanceCallbacks

that might have been affected by modified non-persistent fields should be updated in this method. This method is modified
0

javax.jdo.listener.StoreCallback

should be updated in this method. This method is modified by the enhancer so that changes
0

javax.jdo.annotations.ForeignKeyAction

javax.jdo.annotations Enum ForeignKeyAction java.lang.Object java.lang.Enum<javax.jdo.annotations.ForeignKeyAction> javax.jdo.annotations.ForeignKeyAction Implemented Interfaces: Serializable, Comparable<ForeignKeyAction> Enumeration of the foreign-key delete/update action values
0

javax.jdo.FetchGroup

member. Fetch groups are updated using methods on this interface. An instance of a class

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support