Q. The org.springframework.jdbc.core.support.JdbcDaoSupport class has a setDataSource() method and a setJdbcTemplate() method.

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Q. Method to retrieve the JDBC template.

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Q. JdbcTemplate that takes advantage of Java 1.5 features such as autoboxing, generics, and variable-length arguments to simplify its usage.

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Q. JdbcTemplate require statement parameters to be passed as an object array.

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Q. To use SimpleJdbcTemplate:-

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Q. SimpleJdbcTemplate offers a convenient batch update method in the form of:-

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Q. Method has a warning from the Java compiler because of an unchecked conversion from List to List.

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Q. The return type of the queryForObject() method will be determined by the class argument (e.g., String.class).

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Q. Named SQL parameters are specified by name (starting with a colon) rather than by position.

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Q. Named parameters are supported only in SimpleJdbcTemplate.

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Q. Implementations of the SqlParameterSource interface:-

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Q. The Spring framework offers a consistent data access exception-handling mechanism for its data access module.

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Q. In your DAO methods, you neither need to surround the code with a try/catch block nor declare throwing an exception in the method signature.

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Q. The direct parent class of DataAccessException is:-

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Q. Which concrete exception in the DataAccessException hierarchy should be thrown?

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Q. Error code for The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint.

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Q. How does the Spring JDBC framework know that state 23505 should be mapped to DuplicateKeyException?

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Q. Class which represents a real-world entity and its instances will be persisted to a database.

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Q. Each entity class to be persisted by an ORM framework, a default constructor with no argument is required.

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Q. If the identifier value is null, this entity will be treated as a new and unsaved entity.

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