Representing and Utilizing DDI in Relational Databases

TitleRepresenting and Utilizing DDI in Relational Databases
Publication TypeBook
Year of Publication2011
AuthorsAmin A, Barkow I, Kramer S, Schiller D, Williams J
Series TitleDDI Working Paper Series (Other Topics)
Abstract

The Data Documentation Initiative (DDI) metadata specification 1 is expressed in the form of XML schema. With version 3, the DDI specification has become quite complex, including 21 namespaces and 846 elements 2 . Organizations employing DDI, or considering doing so, may want to 1. Store and manage the metadata elements in relational databases, for reasons of integration with existing systems, familiarity with the concepts of relational databases (such as Structured Query Language), systems performance, and/or other reasons 2. Select only the subset of the available DDI metadata elements that is of utility to their work, and have the flexibility of capturing metadata they need that would not fit into the DDI model This paper discusses advantages and disadvantages of the relational database approach to managing DDI. It also describes methods for modeling DDI in relational databases and for formally defining subsets of DDI to employ in this environment. 

DOI10.3886/DDIOtherTopics02

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