Answer / kalyan

Bascially DAO is used in three tier architecture.
Three tire architecture is comprised of the following layers

1.Presentaion layer
2.Business layer
3.Data Access layer

Data Access layer will have all the code to intercat with
the data base server.so that when next time the data base
server is changed there is no need to chane in the present
and business layers.

Am chittibabu from vadavalli, My father name is nanjan.he is working in state bank of india at vadavalli, My mother name is ramal. She is house wife. My brother name is rajaram he is working in Privete Company. I was born on 25-january-1984 at bhavanisager in Erode District. I have completed my school in government higher secondary school bhavanisager. After that I came to coimbatore for higher study.i have joined Bsc computer science in sri ramalinga sowdambigai college of science and commerce, affiliated by bharathiyar university, coimbatore. In the same college, I have continued UG degree also. but I got a job in Systech infovation as a software programmer,so I discontinued Msc Degree.I have one and half years experience from this concern. Here I have completed two products; one is Tranport management solution for balaji goods carriers at tirupur. Another one is Embroidery Management Solution for Angel Embroidery at tirupur. After that I got an another job in metis technologies as senior software engineer. I have one year experience from this company.here I working in school management product.it is developing version by version.

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