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• A decision support method for evaluating database designsEessaar, Erki; Soobik, MarekComputer science and information systems2012 / p. 81-106 : ill
• Extending UML profiles to model integrity constraints in SQL databasesEessaar, Erki; Aaberg, ErkoProceedings of the 21th [i. e. 21st] European-Japanese Conference on Information Modelling and Knowledge Bases : EJC2011 : Tallinn, Estonia, June 06-10, 2011. Vol. 12011 / p. 47-65 : ill https://www.researchgate.net/publication/260291830_Extending_UML_Profiles_to_Model_Integrity_Constraints_in_SQL_Databases
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• On the design of base tables in the SQL databases of some existing softwareEessaar, ErkiSoftware engineering perspectives in systems : proceedings of 11th Computer Science On-line Conference 2022, Vol. 12022 / p. 309-324 https://doi.org/10.1007/978-3-031-09070-7_26 https://www.scopus.com/sourceid/21100901469 https://www.scopus.com/record/display.uri?eid=2-s2.0-85135054325&origin=inward&txGid=4b807c344f0b745014db390351354b6f https://www.webofscience.com/wos/woscc/full-record/WOS:000893645700026
• The usage of declarative integrity constraints in the SQL databases of some existing softwareEessaar, ErkiSoftware Engineering and Algorithms : Proceedings of 10th Computer Science On-line Conference 2021, Vol. 12021 / p. 375–390 https://doi.org/10.1007/978-3-030-77442-4_33 https://www.scopus.com/sourceid/21100901469 https://www.scopus.com/record/display.uri?eid=2-s2.0-85113391427&origin=inward&txGid=e89621317aebbd3e57596ea89ce4537c
• Using SQL queries to evaluate the design of SQL databasesEessaar, Erki; Voronova, JaninaNew trends in networking, computing, e-learning, systems sciences, and engineering2015 / p. 179-186 https://doi.org/10.1007/978-3-319-06764-3_23 https://www.scopus.com/sourceid/19700186822 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919346410&origin=inward&txGid=3834ae0083847af32638a8541d0674fd
• Whole-part relationships in the object-relational databasesEessaar, ErkiProceedings of the 10th WSEAS International Conference on Computers : Vouliagmeni, Athens, Greece, July 10-15, 20062006 / p. 1263-1268