Schema Evolution

The main goal of this chapter is (i) to present the different research proposals that deal with schema evolution, and (ii) to discuss the support of schema evolution in mainstream DBMSs. The rest of this chapter is organized as follows. The next section gives some background on our subject. In “Current Research in Schema Evolution”, we present the different research proposals on schema evolution. “DBMS Support for Schema Evolution” surveys the support of schema evolution in the state of the art of database technology. Finally, future work directions and conclusion are provided