Schema Evolution publication categorizer

... 676.21 KB In this article, we develop a relational algebra for metadata integration, ... where the number of relations and/or the number of columns in relations of the output varies dynamically with the input instance. Among ... generalized dynamic output schemas, where the values in any (fixed) number of input columns can determine output schemas.Further ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

... two groups of relation schemata play important roles in a database environment. These transformations are used for obtaining normal ... belonging to one group of schemata are usually maintained in computer storage, while those belonging to another group of schemata can be ...

Publication - cat - 04/15/2013 - 20:27 - 0 comments - 1 attachment