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SQL Interview Questions and Answers

Ques 141. What is the main advantage of developing an application using an API ?

Ans. The application can be connected to any back end server that is supported by the API.

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Ques 142. What is the main disadvantage of developing an application using an API ?
Ans. The application cannot use any special features of the backend server.
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Ques 143. Why is an event driven program referred to a passive program ?
Ans. Because an event driven program is always waiting for something to happen before processing.
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Ques 144. What are the four types of events ?
Ans. 1. System Events.
2. Control Events
3. User Events
4. Other Events.
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Ques 145. What is the difference between file server and a database server ?
Ans. A file server just transfers all the data requested by all its client and the client processes the data while a database server runs the query and sends only the query output.
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