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Manual
6

Database Connection using JPA

for instantiation of EntityManager that, like the factory, takes a map of properties as an argument
Manual
6

FROM clause (JPQL / Criteria API)

, IN, INDEX, INNER, IS, JOIN, KEY, LEADING, LEFT, LENGTH, LIKE,LOCATE, LOWER, MAX, MEMBER, MIN, MOD
Manual
6

GROUP BY and HAVING clauses

for the GROUP BY clause is like the WHERE clause for the FROM clause. ObjectDB supports the HAVING clause
Manual
6

JPA Criteria API Queries

, quot, mod, abs, neg, sqrt). String expressions (like, length, locate, lower, upper, concat
Manual
6

JPA Persistable Types

an entity class is like any other Java class. It can extend either another entity class or a non-entity
Manual
6

JPA Query Structure (JPQL / Criteria)

The syntax of the Java Persistence Query Language (JPQL) is very similar to the syntax of SQL. Having a SQL like syntax in JPA queries is an important advantage because SQL is a very powerful query language and many developers are already familiar with it. The main difference between SQL and JPQL
Result
6

ObjectDB - Object Database for Java (JPA/JDO)

that will more likely support all future needs. Protect your investment Avoid vendor proprietary API Use a standard Java API  
Result
6

ObjectDB Web Site - Terms and Conditions of Use

representations concerning the accuracy, likely results, or reliability of the use of the materials
Result
6

What is new in ObjectDB 2.0?

ObjectDB 2.0 supports many new features and improvements, including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. Support of unlimited index keys size. SQL like queries ("select from ... where ..."). Real non blocking multithreading in
Result
6

Eclipse Public License - v 1.0

may accept certain responsibilities with respect to end users, business partners and the like