Trainee Engineer Interview Questions

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Technical: What are abstract classes? How can we implement multiple inheritance in Java? Write SQL query for Joining the tables Can we use group by without having clause // Can we use having without group by?
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Assistant Systems Engineer Trainee

Interviewed at Tata Consultancy Services

3.5
Nov 2, 2016

Technical: What are abstract classes? How can we implement multiple inheritance in Java? Write SQL query for Joining the tables Can we use group by without having clause // Can we use having without group by?

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