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Apache License, Version 2.0, January 2004

to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution

JPA Query Expressions (JPQL / Criteria)

expressions are provided as follows: Literals and Dates (literal, nullLiteral, currentDate, ...). Paths

combined index not used

we take an endDate that is 30 days from the current date (in your case the date of the last Action). The endDate ... [all])),(a.endDate>=current-java.sql.Date)),(a.state=3)),(a.subType=3)),(a.type=0)) <x> v$1:bound ... (extract(a,type(Action[all])),(a.endDate>=current-java.sql.Date)),(a.state=3)),(a.subType=3)),(a.type=0

Locking in JPA

another EntityManager) since it was retrieved by the current updater. Optimistic locking ... another EntityManager instance) currently holds a PESSIMISTIC_WRITE lock on that database object. A PESSIMISTIC_WRITE lock request fails if another user currently holds either a PESSIMISTIC_WRITE lock or

ObjectDB Website - Terms and Conditions of Use

of the materials on its web site are accurate, complete, or current. ObjectDB Software may make ... this web site you are agreeing to be bound by the then current version of these Terms and Conditions

JPA / JDO Class Enhancer

.Enhancer If objectdb.jar is not in the current directory a path to it has to be specified. Alternatively ... technique is inferior to the other techniques that are described above. First, currently it only works

[ODB1] Chapter 2 - A Quick Tour

. Predefined Java types like ArrayList, String and Date can be stored in the database only as fields

[ODB1] Chapter 9 - ObjectDB Explorer

of that object. Select an object in a currently open table or browser viewer to explore it in a new ... " command switches the current viewer to focus on the selected object. A double click on the target element ... file to a new location, applying all the changes of the current transaction only to the new database


. Returns: the current setting of the flag Since: JDO 2.0 void setCandidates( Extent pcs) Set ... and instances of wrapper classes are valid. Equality and ordering comparisons of Date fields and Date ... expression returned false for the evaluation of the current set of variable values. Other values

[ODB1] Chapter 5 - JDO Connections

to modify an object that is currently in use by some other PersistenceManager instance (for read or write), as well as any attempt to read an object that is currently being modified by some

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.

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