Table of ContentsDX 200 Databases WHY DATABASES? If we have file system Problems in file systems Problems in file systems continues Database is Databases can be used Database schema Conceptual schema and subschema Database management system Database management system continues Basic properties of transaction Example: deleting the employee Different databases Distributed database Main memory database system Multidatabase system Real-time databases Traditional vs. real-time databases Databases in Nokia Requirements for database in Nokia Advantages of databases compared to files in DX DX databases offer Performance of DX file system and databases |
Author: Tiina Mikkola
Email: atte.karvinen@tnc.nokia.com |