Explain the major differences between two-tier and three-tier database architectures.

Expert Solution

The main difference is :

Two tier architecture Database is similar to a basic client-server model.The application at the client end directly communicates with the database at the server side. There is no need of any ohter intermediate layer. The JDBC,ODBC API are used for this.

The main advantage of thi architecture is that maintenance and understanding is easy and its compatible with exiting system

The Main disadvantage is that its gives you the poor perfomance where ther is large number of user.

In the Three tier architecture there is one layer between client and server thatDatabase server . The client application does not directly communicates with the database . client intreacts with an application server which further communicates
with thr database system and then query processing and transaction management takes place. This is used in case of large web application.

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venereology answered 1 year ago

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