ObjectDB ObjectDB

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Database Explorer

the database and their persistent fields and indexes. The [Query] window enables running JPQL ... , for checking which indexes are used. The Reset button clears the content of all the fields. Refreshing
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FROM clause (JPQL / Criteria API)

, INDEX, INNER, IS, JOIN, KEY, LEADING, LEFT, LENGTH, LIKE,LOCATE, LOWER, MAX, MEMBER, MIN, MOD, NEW
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Is ObjectDB scalable? What are its limitations?

classes per database file. Up to 2,147,483,648 indexes per database file
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Numbers in JPQL and Criteria Queries

- when the return value is numeric, e.g. INDEX, SIZE. as string functions - when the return value is numeric, e
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ObjectDB Overview

. Advanced querying and indexing capabilities. Effective in heavy loaded multi-user environments
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Step 6: Set the Spring XML

</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp
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Step 6: Set the Spring XML

> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome
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Step 7: Run the Spring Web App

At this stage your project should have the following structure: Use copy and paste to replace the content of the index.jsp file (which serves as the default front page) with the following redirection to the controller path: <jsp:forward page="guest.html" /> If Tomcat 6.0 is installed as
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[ODB1] Chapter 7 - JDOQL Queries

are included in the result collection. If an index is defined for the age field (see section 4.5), iteration
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[ODB1] Chapter 1 - About ObjectDB

per second. Even queries on millions of objects are very fast, when proper indexes are defined. ObjectDB

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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  1. Search ObjectDB website
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