ObjectDB ObjectDB

Internal Website Search

1-10 of 47 resultsRefresh
56

JPA Persistable Types

, Mapped superclasses, Embeddable classes. Simple Java data types: Primitive types, Wrappers, String ... : boolean, byte, short, char, int, long, float and double. Equivalent wrapper classes from package
32

[ODB1] Chapter 4 - JDO Metadata

. Wrapper objects, strings, dates, collections and arrays are embedded by default. To use them as non ... , short, char, int, long, float or double) embedded wrapper (Boolean, Byte, Short, Character ... indexes. Fields of value types (primitive types, wrapper types, String and Date) are embedded by
32

[ODB1] Chapter 7 - JDOQL Queries

operators. Date instances can be compared using all six comparison operators. Numeric wrapper types ... . Arithmetic Operators In JDOQL, arithmetic operators (+, -, *, /) can be applied to numeric wrapper types ... . Wrapper values (Boolean, Byte, Short, Character, Integer, Long, Float, Double) are used instead
23

ObjectDB Object Database Features

(boolean, byte, short, char, int, long, float, double). Wrapper types (Boolean, Byte, Short, Character ... ). Wrappers (Boolean, Byte, Short, Character, Integer, Long, Float and Double). java.lang.String
16

ORDER BY clause (JPQL / Criteria API)

interface is merely a thin wrapper around Expression, which adds order direction - either ascending (ASC
16

Criteria Query Selection and Results

the ORDER BY clause are represented by the Order interface: The Order interface is a thin wrapper
16

Index Definition

, float, double. Equivalent wrapper classes from package java.lang: Byte, Short, Character, Integer
16

JPA Primary Key

: boolean, byte, short, char, int, long, float, double. Equivalent wrapper classes from package java
16

Comparison in JPQL and Criteria API

, char, int, long, float, double), wrapper types (Byte, Short, Character, Integer, Long, Float, Double
16

JPA Metamodel API

a thin wrapper of Class with only two methods: // Get the underlying Java representation of the type

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support