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Home » Quiz » Servlet Quiz

To ensure that database resources are always released, use the __________ block to close connections.

Difficulty level
  • catch
  • finally
  • release
  • try
To ensure that database resources are always released, use the finally block to close connections.
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Servlet Quiz
Quiz
_________ is a technique used to minimize the cost of repeatedly executing similar SQL queries.
In a transaction, if a part of the transaction fails, the ________ operation ensures the database reverts back to its previous state.

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  • In JDBC, the __________ exception is thrown when there is a problem with the SQL syntax.
  • In RESTful web services, a _______ request is often used to update existing resources.

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