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FAQ
163

Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used. Therefore, it might be the first choice for most new applications. You can use JPA as the primary
Manual
72

Logical Operators in JPQL and Criteria API

of logical operators, as shown in the following table: Set 1 - JPQL / SQL Set 2 - Java / JDO AND && OR ... and the other operand is either TRUE or NULL, the result is NULL (unknown). ObjectDB supports the Java/JDO && operator as a synonym of AND as part of its JDO support. Binary OR (||) Operator
JPA Doc
50

or(restrictions)

Method javax.persistence.criteria.CriteriaBuilder Predicate or(   Predicate... restrictions ) Create a disjunction of the given restriction predicates. A disjunction of zero predicates is false. Parameters: restrictions - zero or more restriction predicates Returns: or predicate Since: JPA 2.0
JPA Doc
49

or(x, y)

Method javax.persistence.criteria.CriteriaBuilder Predicate or(   Expression x,   Expression y ) Create a disjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: or predicate Since: JPA 2.0
JPA Doc
49

or(x, y)

Method javax.persistence.criteria.CriteriaBuilder Predicate or(   Expression x,   Expression y ) Create a disjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: or predicate Since: JPA 2.0
JPA Doc
49

Predicate.BooleanOperator.OR

Enum Constant javax.persistence.criteria.Predicate.BooleanOperator OR Since: JPA 2.0
Result
32

Apache License, Version 2.0, January 2004

of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright ... and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause
Result
24

Eclipse Public License - v 1.0

"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE ... Contributor: i) changes to the Program, and ii) additions to the Program; where such changes and/or ... 'originates' from a Contributor if it was added to the Program by such Contributor itself or
Result
20

ObjectDB Web Site - Terms and Conditions of Use

from using or accessing this site. The materials contained in this web site are protected by ... one copy of the materials (information or software) on ObjectDB Software's web site for personal, non ... , and under this license you may not: modify or copy the materials; use the materials for any commercial purpose
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18

Privacy Policy

a cookie control system allowing the user on their first visit to the website to allow or disallow the use ... for websites to obtain explicit consent from users before leaving behind or reading files such as cookies ... , but will not store, save or collect personal information. You can read Google's privacy policy