An Analysis of Table Constraints in SQL2 Based on the Entity-Relationship Model. - Marco A. Casanova; Alexandre P. de Carvalho 001; L. F. G. G. M. Ridolfi; Alberto H. F. Laender (ER, 1991)

An analysis of SQL integrity constraints from an entity-relationship model perspective. - Alberto H. F. Laender; Marco A. Casanova; Alexandre P. de Carvalho 001; L. F. G. G. M. Ridolfi (Inf. Syst., 1994)