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|- Interview Questions and Answers for 'Data access object' - 1 question(s) found - Order By Newest|
|Ans. DAO is Data Access Object which is used within Persistence Layer to make Database Transaction. For example , the class holding the Database connection and CRUD methods.|
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|Is it a Good practice to have application decision making in DAOs ?|
|How one dao Implementation object (singleton) can handle multiple requests?|
|In Case of multi layered application, If DAO layer throws an exception , How will you handle it upstream ?|