A distributed database is a collection of logically related data that is physically stored at multiple locations connected through a computer network. Unlike a traditional centralised database, where all data is maintained at one central server or location, a distributed database allows data to be stored and managed across several geographically separated sites. These sites may be located in different offices, cities, or even countries, while users can access the database as if it were a single integrated system. Distributed databases are an important application of Information and Communication Technologies because they support efficient data sharing, communication, and processing among geographically dispersed users. The architecture of a distributed database generally consists of multiple database sites connected through a communication network. Each site has its own database management system and local data storage, while a distributed database management system coordinates the activities of all sites. The major components include local