Date Added: Oct 2009
Commercial databases compete for market share, which is composed of not only net-new sales to those purchasing a database for the first time, but also competitive win-backs" and migrations. Database migration, or the act of moving both application code and its underlying database platform from one database to another, presents a serious administrative and application development challenge fraught with large manual costs. Migration is typically a high cost effort due to incompatibilities between database platforms. Incompatibilities are caused most often by product specific extensions to language support, procedural logic, DDL, and administrative interfaces.