Category: Database Design

Calculated Fields in CiviCRM

One of CiviCRM’s strengths is the ability to add custom fields to hold specific information about your contacts. One thing it doesn’t offer (yet) is a calculated field type that will present the results of calculations of other fields.  While calculated fields are generally discouraged in relational database design, they are sometimes necessary within a […]

MySQL User Defined Function Example: Data Cleanup

(Updated June 9, 2016) The Challenge One of my current projects involves migrating a large amount of data away from an old custom Borland Paradox application into a new CiviCRM system. As with too many quickly-constructed apps, this old Paradox database wasn’t especially well designed and, among other the other challenges in salvaging the data, there were […]

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