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Database Schema Evolution

, Byte, Short, Character, Integer, Long, Float, Double, BigInteger, BigDecimal and enum values

JPA Persistable Types

, java.math.BigDecimal. java.lang.String. java.util.Date, java.util.Calendar, java.sql.Date, java.sql

ObjectDB Object Database Features

and java.lang.BigDecimal. Collection types: Collection, List, Set, ArrayList, Vector, Stack ... .Timestamp. Math: java.lang.BigInteger and java.lang.BigDecimal. Auto Value Generation Modes

Index Definition

, Long, Float, Double. java.math.BigInteger, java.math.BigDecimal. java.lang.String. java.util.Date

JPA Primary Key

.lang: Byte, Short, Character, Integer, Long, Float, Double. java.math.BigInteger, java.math.BigDecimal

Numbers in JPQL and Criteria Queries

, but all the numeric types (byte, short, int, long, float, double, BigInteger, BigDecimal) are supported. Unary

Comparison in JPQL and Criteria API

, Double), BigInteger and BigDecimal can be compared by using any comparison operator. String values

[ODB1] Chapter 7 - JDOQL Queries

(Byte, Short, Character, Integer, Long, Float, Double), as well as BigInteger and BigDecimal ... (Byte, Character, Short, Integer, Long, Float, Double, and also BigInteger and BigDecimal ... (Byte, Short, Character, Integer, Long, Float, Double), String, Date, BigInteger and BigDecimal

[ODB1] Chapter 3 - Persistent Classes

. java.math.BigInteger and java.math.BigDecimal Any array of persistent type, including multi


; BigDecimal; BigInteger; String; and Date. Parameters: ordering - the ordering specification. Since: JDO 1.0 ... , String, or Object[]; or one of the java.math classes BigInteger or BigDecimal; or the java.util

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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