145 | Criteria Query Selection and ResultsThe JPA Criteria API interfaces in this group are used for setting the SELECT and ORDER BY clauses ... clause in a criteria query is represented by Selection: Because Selection is a super interface of Expression, any criteria expression can be used as the SELECT clause content. Multiple selection |
142 | Chapter 4 - JPA Queries (JPQL / Criteria) well as how to use the JPA Criteria API, which provides an alternative way for building queries in JPA, based on JPQL. The first section describes the API that JPA provides for using dynamic and static ... (and a criteria query) is explained by describing the main clauses of JPQL queries (SELECT, FROM, WHERE, GROUP |
86 | What is the Java Persistence API (JPA)?The Java Persistence API (JPA) is a standard API for accessing databases from within Java applications. The main advantage of JPA over JDBC (the older Java API for interacting with databases ... Persistence API (JPA). By interacting with ObjectDB using standard JPA you can keep your application |
85 | JPA Metamodel APIThe JPA Metamodel API provides the ability to examine the persistent object model and retrieve ... Metamodel API is Metamodel. It can be obtained either by the EntityManagerFactory's getMetamodel method or ... . Type Interface Hierarchy Types are represented in the Metamodel API by descendant interfaces |
82 | JPA Metamodel API AttributesThe following interfaces and enum types represent attributes (persistent fields and properties) in the JPA Metamodel API: See the Metamodel Attribute Interface Hierarchy section for more details and examples. |
82 | JPA Metamodel API TypesThe following interfaces and enum represent types in the JPA Metamodel API: See the Metamodel Type Interface Hierarchy section for more details and examples. |
78 | ObjectDB API ReferenceAll about ObjectDB API Reference in Java/JPA database - explanations, examples, references, links and related information. |
78 | ObjectDB APIsAll about ObjectDB APIs in Java/JPA database - explanations, examples, references, links and related information. |
68 | JPA Query Expressions (JPQL / Criteria)Query expressions are the foundations on which JPQL and criteria queries are built. Every query ... of JPQL / Criteria query expressions. Atomic Expressions The atomic query expressions are: JPQL / Criteria Variables JPQL / Criteria Parameters JPQL / Criteria Literals Every query expression consists |
8 | 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 ... API, and if necessary, switch to JDO as a secondary API for special additional features that are supported only by JDO. Selecting the more popular API leads to more portable application and extends |
