%0 Journal Article %T Expert Knowledge Content Database Design Suggestions from Validation Aspect %J MATHEMATICS, COMPUTER SCIENCE AND EDUCATION %D 2018 %X Expert Knowledge Content Database (EKCD) contains small or medium amount of data but its data content is valuable, which can be determined by expert work. Expert work can be a complex measurement, estimation, or data integration. Database design and validation was analyzed in a case study with EKCD Eulakes ¨C Phytoplankton database of Lake Stechlin. Different data quality metrics was calculated and evaluated, and the content based inconsistency was evaluated. In the conclusion a schema is given for helping the design and validation %K database validation^ expert database^ content type inconsistency. %U http://journals.uni-vt.bg/mcse/eng/vol1/iss1/7