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What exactly is a data-tier

 
Abhinav Srivastava
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What exactly is a data-tier, is it the DBMS or the DAO or both?
 
Jignesh Patel
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Its DBMS only.

In today's world it is very difficult to say only data tier as there are many other business application co exist like SAP, sieble, legacy apps.
 
Hong Anderson
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DBMS only.
 
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