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From Paper on “Representing and Utilizing DDI in Relational Databases”

From Paper on “Representing and Utilizing DDI in Relational Databases”. Alerk Amin, CentERdata Ingo Barkow, DIPF - Leibniz Institute for Educational Research and Educational Information Stefan Kramer, Cornell Institute for Social and Economic Research

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From Paper on “Representing and Utilizing DDI in Relational Databases”

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  1. From Paper on“Representing and Utilizing DDI in Relational Databases” Alerk Amin, CentERdata Ingo Barkow, DIPF - Leibniz Institute for Educational Research and Educational Information Stefan Kramer, Cornell Institute for Social and Economic Research David Schiller, Research Data Center (FDZ) of the German Federal Employment Agency (BA) at the Institute for Employment Research (IAB) Jeremy Williams, Cornell Institute for Social and Economic Research

  2. Modeling DDI in Relational Databases • DDI elements • Repeated elements • XML hierarchy • References • Recursive structures • Substitution groups • Controlled vocabularies • Database IDs

  3. Advanced Cases • Versioning • Modeling schemes which include other schemes • Multiple language support • Handling unknown or external elements in DDI

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