2007 RDF Guide - Harte-Hanks CI Technology Database CITDB ...

Introduction CiTDB RDF Structure v10
Relationships Between The Tables
1. The Site Description table has a one-to-one relationship with the following tables, keyed on the SITEID field:
• Site Computing Summary
• Site Software and Services Summary
• Site Communications Summary
• Summary Product Table
• Additional Site Descriptions
• Client Defined Data
• Custom Scoring Data
• TechModels
For example, there is one Additional Site Description record for each Site Description record.
2. The Site Description table has a one-to-many relationship with the following tables, keyed on the SITEID field:
• Contact
• Product
For example, one site record may have many contact records and many product records.
3. The Site Description table has a many-to-one relationship with the Enterprise table, keyed on the CORPID (not
SITEID) field. For example, there may be many site records linked to a single parent record.
4. The Product and Product Specifications tables have a many-to-one relationship, keyed on the TABKEY (not
SITEID) field. There may be many product records referring to a single product specification.
The relationship between tables is illustrated on the following page. Sample data is shown after that.
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