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About ORDER BY

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JPA Doc
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isAscending()

Method javax.persistence.criteria.Order boolean isAscending() Whether ascending ordering is in effect. Returns: boolean indicating whether ordering is ascending Since: JPA 2.0
JDO Doc
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Order.column

Annotation Element javax.jdo.annotations.Order String column The name of the column to use for ordering the elements of the member. Returns: the name of the ordering column Default value: "" Since: JDO 2.1
JDO Doc
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Order.columns

Annotation Element javax.jdo.annotations.Order Column[] columns The definition of the column(s) to use for ordering. Returns: the columns to use for ordering Default value: {} Since: JDO 2.1
JDO Doc
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Order.mappedBy

Annotation Element javax.jdo.annotations.Order String mappedBy Name of a field or property in the target class that acts as the ordering field or property for this member. Return the name of the field or property in the target class Default value: "" Since: JDO 2.1
Manual
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Database Management Settings

. The resize attribute specifies the size by which to extend the database file when additional space is needed. Small initial size and resize values save space. Larger values can improve performance by ... ="128mb" /> When enabled, a recovery file is created by ObjectDB when a database is opened
Manual
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JPA Entity Fields

, the order of the retrieved owner entities can be set by the OrderBy annotation: @Entity public class ... Employee e WHERE e.department = :d ORDER BY e.name The specified field ("name") must be a sortable ... (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent
Manual
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JPA Primary Key

are physically stored in the database ordered by their primary key. Sometimes it is useful to choose ... the database is uniquely identified (and can be retrieved from the database) by the combination of its type ... have their own separate identity. Automatic Primary Key By default the primary key is a sequential
Manual
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JPA Lifecycle Events

and are invoked automatically by JPA when these events occur. Internal Callback Methods Internal callback ... - when an entity is identified as modified by the EntityManager. @PostUpdate - after updating an entity in ... events by marking it with more than one annotation. By default, a callback method in a super entity
Result
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Eclipse Public License - v 1.0

additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or ... entity that distributes the Program. "Licensed Patents" mean patent claims licensable by
Result
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ObjectDB Object Database Features

). GROUP BY (including HAVING and aggregates). ORDER BY (including ASC, DESC). Aggregates (COUNT, SUM ... Databases are also supported by ObjectDB. The combination of Object Database features ... . Up to 9,223,372,036,854,775,808 entity objects per database file. Unlimited database connections (limited only by