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10

FROM clause (JPQL / Criteria API)

, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP
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Schema Update

side where the up to date classes are located. The following <schema> element demonstrates the supported schema update
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JPA Annotations for Fields

The way a field of a persistable class is managed by JPA can be set by the following annotations: Additional annotations (and enum) are designated for enum fields: Other additional annotations (and enum) are designated for date and calendar fields: Chapter 2 of the ObjectDB manual explains how to use all the above annotations.
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JPA Query Expressions (JPQL / Criteria)

expressions are provided as follows: Literals and Dates (literal, nullLiteral, currentDate, ...). Paths
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Retrieving JPA Entity Objects

with the most up to date version of an entity object, just in case it might have been changed by
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Privacy Policy

(e.g. IP address), unique device identifiers, browser type, browser version, the time and date
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Eclipse Public License - v 1.0

of the date such litigation is filed. All Recipient's rights under this Agreement shall terminate
10

Online Backup

on the server side). A new subdirectory with a name that reflects the current date and time (e.g
10

JPA Criteria API Queries

expressions are provided in the following page sections: Literals and Dates (literal, nullLiteral
1

[ODB1] Chapter 2 - A Quick Tour

. Predefined Java types like ArrayList, String and Date can be stored in the database only as fields

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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