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5

Calendar in Criteria Querys

with no date. java.sql.Timestamp - representing both data and time. If possible, you should use these types ... ; import java.sql.Timestamp; import javax.persistence.*; import javax.persistence.criteria ... <Timestamp> p = cb.parameter(Timestamp.class);         query.where(cb.lessThanOrEqualTo(e.get("c1"), p
5

General Performance Issues Illustrated with a Specific Method

.TemporalType.TIMESTAMP) private Date createdAt; @Temporal(javax.persistence.TemporalType.DATE ... lastEditBy; @Temporal(javax.persistence.TemporalType.TIMESTAMP) private Date lastEditeAt ... WebUser retiredReversedBy; @Temporal(javax.persistence.TemporalType.TIMESTAMP) private Date
5

Setting temp directory location in ObjectDB

try to read the odb.file, I see that the parent folder OS timestamp changes, i just want to read the file. Ideally the OS timestamp should not change for the parent folder when the odb file open ... .getPersistenceManager(); When pmf.getPersistanceManager() line gets executed, the see the OS timestamp
1

General Settings and Logging

of the subsystem loggers are currently undocumented and can change at any time without notice. The supported
1

Database Server

: > java -cp objectdb.jar com.objectdb.Server If objectdb.jar is not in the current directory a path
1

javax.persistence.Version

, Integer, short, Short, long, Long, java.sql.Timestamp. Example: @Version @Column(name
1

javax.persistence.Basic

.Date, java.sql.Time, java.sql.Timestamp, byte[], Byte[], char[], Character[], enums, and any
0

setResultClass(cls)

class Date; or one of the java.sql classes Date, Time, or Timestamp; or a user-defined class
0

javax.jdo.Transaction

control should be used for the current transaction, whether instances may hold values in the cache ... void commit() Commit the current transaction. Commit the current transaction. Throws: JDOUserException ... for this Transaction instance Since: JDO 1.0 boolean getRestoreValues() Return the current value of the restoreValues
0

javax.jdo.datastore.Sequence

of additional values to allocate Since: JDO 2.0 Object current() Returns the current sequence value object if it is available. Returns the current sequence value object if it is available. It is intended to return a sequence value object previously used. If the current sequence value is not available, throw

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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