What is 2-tier and 3-tier architecture?

Answer Posted / mukundvishy

Two tier is Client Server architecture. For example using
Oracle database and Oracle Forms/VB.

3 tier is introducing one more tier. For example, a web
server (IIS, Apache, Tomcat etc.), an EJB Application server
(Weblogic, websphere etc.) and a database (oracle, sql
server etc.)

Is This Answer Correct ?    3 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is jdbc a protocol?

501


I have the choice of manipulating database data using a byte[] or a java.sql.blob. Which has best performance?

485


How many jdbc driver types are there?

484


What is jdbc class forname?

491


What are the methods which can verify the cursor particular position?

557






What are the packages are used in jdbc?

573


Why is odbc needed?

498


How can you make a connection?

539


What is benefit of using preparedstatement in java?

495


How can I know when I reach the last record in a table, since JDBC doesn't provide an EOF method?

592


Which jdbc driver type s is are the jdbc odbc bridge?

480


What class.forname does, while loading the drivers?

540


Why do we need jdbc api?

481


What does adapter class provide?

529


How to set the attribute concurrency in resultset?

506