Spring JBDC Interview Questions and Answers - 3

Question: 11

How can we store and retrieve images from the database?

By using PreparedStatement interface, we can store and retrieve images.

Question: 12

Which Driver is preferable for using JDBC API in Applets?

Type – 4 Drivers

Question: 13

What do you mean by isolation level?

Isolation means that the business logic can proceed without consideration for the other activities of the system.

Question: 14

What are batch updates?

Batch Update facility allows multiple update operations to be submitted to a database for processing at once.

Using batch updates will improve the performance.

Question: 15

What Class.forName() method will do?

Class.forName() is used to load the Driver class which is used to connect the application with Database.

Here Driver class is a Java class provided by Database vendor.

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