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ObjectDB is a cross platform software and can be used on various operating systems with Java SE 5 or higher. It can be integrated into Java EE and Spring web applications and deployed on servlet containers (Tomcat, Jetty) as well as on Java EE application servers (GlassFish, JBoss).
jOOQ Object Oriented Querying, commonly known as jOOQ, is a light database-mapping software library in Java that implements the active record pattern.Its purpose is to be both relational and object oriented by providing a domain-specific language to construct queries from classes generated from a database schema.
Disadvantages of the builder pattern include: [3] A distinct ConcreteBuilder must be created for each type of product. Builder classes must be mutable. May hamper/complicate dependency injection. In many null-safe languages, the builder pattern defers compile-time errors for unset fields to runtime.
The wrapper class implements accessor methods or properties for each column in the table or view. This pattern is commonly used by object persistence tools and in object–relational mapping (ORM). Typically, foreign key relationships will be exposed as an object instance of the appropriate type via a property.
Atlas ORM (data mapper, table data gateway, query builder, and PDO wrapper) [3]; Doctrine2 Object Relational Mapper (ORM) and the Database Abstraction Layer [4]; Cycle ORM (PHP DataMapper ORM and Data Modelling Engine) [5]
Hibernate's primary feature is mapping from Java classes to database tables, and mapping from Java data types to SQL data types. Hibernate also provides data query and retrieval facilities. It generates SQL calls and relieves the developer from the manual handling and object conversion of the result set.
The Jakarta Persistence Query Language (JPQL; formerly Java Persistence Query Language) is a platform-independent object-oriented query language [1]: 284, §12 defined as part of the Jakarta Persistence (JPA; formerly Java Persistence API) specification. JPQL is used to make queries against entities stored in a relational database.
[4] [5] While being a physical-modeling only tool DBDesigner4 offers a comprehensive feature set including reverse engineering of MySQL databases, model-to-database synchronization, model poster printing, basic version control of schema models and a SQL query builder. [6] It is available for MS Windows, Mac OS X and Linux. [7]