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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

9.4 The Object Database Management Group (ODMG) Model and Object Definition Language (ODL)

The Object Database Management Group (ODMG) was a group of vendors that developed and published standards for OO databases and languages. It was founded in 1991 and published several standards, including the ODMG 3.0 standard, published in 1999, before disbanding in 2001. Its work has been taken over by the OMG. The ODMG established standards for the object data model, the Object Definition Language (ODL), the OQL, and language bindings for C++, Java, and Smalltalk. ODL is a standard language for describing schemas in OO terms, serving the same function that SQL Data Definition Language (DDL) serves. FIGURE 9.6 shows the ODL definition for the revised ...

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Publisher Resources

ISBN: 9781284231595