19.1. Overview of JDBC

Try these first

1. 1.

   What does JDBC stand for?

   Hint

   Think about what 'JDBC' represents in a programming context.

2. 2.

   Name a feature of JDBC.

   Hint

   Is there a feature that makes it versatile across different systems?

3. 3.

   What is the main purpose of JDBC?

   • To create user interfaces
   • To connect Java applications with databases
   • To handle networking protocols

   Hint

   Think about the role of JDBC in application development.

4. 4.

   True or False: JDBC only works with MySQL databases.

   • True
   • False

   Hint

   Consider the versatility of JDBC.

5. 5.

   Design a simple Java application that connects to a PostgreSQL database and retrieves all records from a table called employees. Describe the main steps involved.

   Hint

   Think about the sequence of actions needed to interact with a database.

6. 6.

   Explain how JDBC handles exceptions during database operations. Write a pseudo-code that demonstrates exception handling in JDBC.

   Hint

   Consider how errors might occur during database access.