Fast Object Database for Java - with JPA/JDO support

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113

javax.persistence.ColumnResult

javax.persistence Annotation ColumnResult Target: References name of a column in the SELECT clause of a SQL query - i.e., column alias, if applicable. Scalar result types can be included in the query ... _item")})}, columns={ @ColumnResult(name="item_name")} ) Since: JPA 1.0
109

ColumnResult.name

Annotation Element javax.persistence.ColumnResult String name (Required) The name of a column in the SELECT clause of a SQL query Since: JPA 1.0
33

JPA Annotations for SQL Queries

Reference (JavaDoc) of JPA 2 sql query annotations.
14

javax.persistence.SqlResultSetMapping

")})}, columns={ @ColumnResult(name="item_name")} ) Since: JPA 1.0 ColumnResult[] columns
10

SqlResultSetMapping.columns

Annotation Element javax.persistence.SqlResultSetMapping ColumnResult[] columns Specifies the result set mapping to scalar values. Default value: {} Since: JPA 1.0

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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