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Database Architecture

Introduction to Database Architecture

Database architecture can be centralized, decentralized and hierarchical. The DBMS architecture divides the whole system as single tier, multi tier and n-tier architecture which can be independently modified, altered, changed or replaced.

Types of Database Architecture

  • Single -Tier
  • Two-Tier
  • N-Tier


The single tier architecture is also called as 1-tier architecture. In 1-tier architecture user work as a server and maintain this changes itself. It does not provide support for end users and use for database designer and programmer. An example of single tier architecture is file server architecture. In this architecture a database is stored on single machine in shared location.

Advantage of 1-tier architecture

  • It is relevant to small number of users

Disadvantage of 1-tier architecture

  • It works only small amount of data

Two-tier architecture

The two-tier architecture is like a client-server application. The (more…)

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