Database Decay and What To Do About It – Communications of the ACM

Database Decay and What To Do About It – Communications of the ACM

The traditional wisdom for designing database schemas is to use a design tool (typically based on...概要を表示 The traditional wisdom for designing database schemas is to use a design tool (typically based on a UML or ER model) to construct an initial data model for one’s data. When one is satisfied with the result, the tool will automatically construct a collection of 3rd normal form relations for the model.  Then, applications are coded against this relational schema.  When business circumstances change

• Database