Eric C. Cooper. On the Expressive Power of Query Languages for Relational Databases. In POPL. pages 361-365, 1982. [doi]
@inproceedings{Cooper82, title = {On the Expressive Power of Query Languages for Relational Databases}, author = {Eric C. Cooper}, year = {1982}, tags = {relational database, C++, query language}, researchr = {https://researchr.org/publication/Cooper82}, cites = {0}, citedby = {0}, pages = {361-365}, booktitle = {POPL}, }