Simply a distributed database management system (DDBMS) is the software that manages the distributed database and provides an access mechanism that makes this distribution transparent to the users. A distributed database system is the union of what appear to be two diametrically opposed approaches to data processing. This binds database system and computer network together….
Database network models are used to organize data it determines the manner in which data can be stored, organized and manipulated in a database system. Hierarchical Database Model A hierarchical database is the oldest model of the database. We frequently find data exhibiting a hierarchical (Level or tree structure) relationship. Database system must start from the top…
A database administrator is an individual responsible for maintaining the DBMS It has many different responsibilities, but the overall goal of DBA is keeping the server up all the times. It can be someone who has concentrated in the areas of database design and administration. A DBA can be a programmer who took the responsibility…