A semiotic approach to quality in specifications of software measuresEessaar, ErkiEnterprise information systems : 10th International Conference, ICEIS 2008 : Barcelona, Spain, June 12-16, 2008 : revised selected papers2009 / p. 73-86 : ill https://link.springer.com/chapter/10.1007/978-3-642-00670-8_6 A SQL database based meta-CASE system and its query subsystemEessaar, Erki; Sgirka, RünnoInnovations in computing sciences and software engineering2010 / p. 57-62 https://link.springer.com/chapter/10.1007/978-90-481-9112-3_10 A UML profile for developing databases that conform to the third ManifestoEessaar, ErkiInnovations in computing sciences and software engineering2010 / p. 69-74 https://ui.adsabs.harvard.edu/abs/2010iics.book...69E/abstract Andmebaaside projekteerimineEessaar, Erki2008 http://www.ester.ee/record=b2431333*est A collaborative web-based and database-based meta-CASE environmentSgirka, RünnoDatabases and Information Systems : Doctoral Consortium : Riga, July 4, 20102010 / p. 31-42 : ill https://www.bjmc.lu.lv/fileadmin/user_upload/lu_portal/projekti/bjmc/Contents/757_3.pdf Evaluation of different designs to represent missing information in SQL databasesEessaar, Erki; Saal, ElariInnovations and advances in computer, information, systems sciences, and engineering2013 / p. 173-187 Evaluation of Different Designs to Represent Missing Information in SQL Databases [Electronic resource]Eessaar, Erki; Saal, ElariCISSE 2011 International joint conferences2011 / [6 p. : ill] [CD-ROM] https://link.springer.com/chapter/10.1007/978-1-4614-3535-8_14 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 Mapping of SQL relational schemata to OWL ontologiesAstrova, Irina; Kalja, AhtoProceedings of the 6th WSEAS International Conference on Applied Informatics and Communications : Crete Island, Greece, August 18-20, 20062006 / p. 375-380 https://dl.acm.org/doi/abs/10.5555/1366421.1366487 On query-based search of possible design flaws of SQL databasesEessaar, ErkiInnovations and advances in computing, informatics, systems sciences, networking and engineering2015 / p. 53-60 http://dx.doi.org/10.1007/978-3-319-06773-5_8 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 Conference proceedings at Scopus Article at Scopus Article at WOS Performance benchmarking of NewSQL databases with Yahoo cloud serving benchmarkAstrova, Irina; Koschel, Arne; Wellermann, Nils; Klostermeyer, PhilipProceedings of the Future Technologies Conference (FTC) 2020 ; vol. 22021 / p. 271-281 https://doi.org/10.1007/978-3-030-63089-8_17 Article collection metrics at Scopus Article at Scopus Päringukeel SQL : ülevaadeLaiatarbe tarkvarapaketid personaalarvutitele. Andmebaasisüsteemid1989 / lk. 186-195 : ill https://www.ester.ee/record=b1507395*est SQLLeis, PaulArvutustehnika ja Andmetöötlus1990 / 6, lk. 20-28 SQL or third manifesto compliant object-relational database management systems as the platforms for maintainaning the whole-part relationships in a databaseEessaar, ErkiWSEAS transactions on computers2006 / 10, p. 2440-2447 Storing OWL ontologies in SQL relational databasesAstrova, Irina; Korda, Nahum; Kalja, AhtoProceedings of World Academy of Science, Engineering and Technology (WASET) : International Conference on Computer, Electrical, and Systems Science, and Engineering (CESSE) : Berlin, Germany, 20072007 / p. 169-172 https://www.researchgate.net/publication/242756222_Storing_OWL_ontologies_in_SQL_relational_databases 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 Article collection metrics at Scopus Article at Scopus Using metamodeling in order to evaluate datamodelsEessaar, ErkiProceedings of the 6th WSEAS International conference on artificial Intelligence, Knowledge Engineering and Data Bases : Corfu Island, Greece, February 16-19, 20072007 / p. 181-186 https://www.researchgate.net/publication/254470284_Using_Metamodeling_in_order_to_Evaluate_Data_Models 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 http://dx.doi.org/10.1007/978-3-319-06764-3_23