We have seen how to read data from a file, either in unstructured text or CSV format, and how to write data in these formats. We’ve also seen how to read and write JSON. In this chapter we’ll see how ...

Object–relational mapping (ORM) is a technique with which records from relational databases are mapped to objects using an object-relational mapper in the programming language in which they are used.

Abstract: Object-relational databases have emerged to improve relational ones by adding properties of object-oriented approach such as references, polymorphism, inheritance, etc. However, these ...

ABSTRACT: The efficiency and performance of Distributed Database Management Systems (DDBMS) is mainly measured by its proper design and by network communication cost between sites. Fragmentation and ...

ABSTRACT: This paper presents the semantic analysis of queries written in natural language (French) and dedicated to the object oriented data bases. The studied queries include one or two nominal ...

A tale of dueling open source projects for object-relational mapping may be brewing within Eclipse, with similar proposals floated by Versant and Oracle. Versant on Tuesday will announce that it has ...

Abstract: Object databases and object relational databases are both widely used in industries. The major differences are mainly the level of encapsulation and the language supported by individual ...