Session - 22 DISTRIBUTED DATABASE DESIGN AND ADMINISTRATION DISTRIBUTED DATABASE ADMINISTRATION Matakuliah: M0184 / Pengolahan Data Distribusi Tahun: 2005 Versi:

OBJECTIVES Database administration and data administration Local database administration The effect of distribution on database administration Administration function Meta data management

Local Database Administration Database administration refer to administration of the local DBs Database administrator (DBA) responsible for the management of DB system throughout the entire software life cycle

Data Administration Data administration refers to administration at a global level Encompassed the entire data resources from mainframe to micro Increasingly a highly technical, specialist function related to the physical management of a single DB or group Data Administrator (DA) will perform on global level

Distributed DB Administrator (DDBA) Handling management of DB system Handling distribution of the data DDBA requires tools to assist in the optimal allocation of base relation, of replication, etc. Be able to monitor performance in order to tune the system

Administration Function DBA of centralized DB Design and implementation of the logical and physical DB design Design and implementation of external DB schema in consultation with local users Implementation of local security and integrity Local DB tuning and performance monitoring Planning and implementation of Local DB re- organization Documentation of local DB and schema

Administration Function Cont’d DBA of Distributed DB Same function with centralized DBA Definition of those portion DB which are to be contributed to the global DB Mapping rules between those fragments and the local data Conversion rules between local and global data Specification of security and integrity constraints on the fragments which are peculiar to the global level

Administration Function Cont’d Data Administrator (DA) Documentation of the global data resource Establishment and monitoring of standards for data naming, ownership, etc Liaison with global end-user, management, data processing Conflict resolution between different user group Definition of global security and integration Development of data resource plan Definition of global schema Promotion of data sharing

Meta-data Management Local system catalogues - centralized catalogue - fully replicated catalogues - distributed catalogue Global data dictionary