19.6.3. CallableStatement Interface

Try these first

1. 1.

   What is the primary use of the CallableStatement interface?

   Hint

   Think about how we interact with procedures in SQL.

2. 2.

   How do you create a CallableStatement?

   Hint

   Recall the method we discussed for preparation.

3. 3.

   What is the primary function of CallableStatement in JDBC?

   • To execute normal SQL queries
   • To execute stored procedures
   • To set database parameters

   Hint

   Think about what types of database operations we can streamline with it.

4. 4.

   True or False: CallableStatement can only accept input parameters.

   • True
   • False

   Hint

   Recall the parameter types used.

5. 5.

   Design a short Java program using CallableStatement to retrieve a student's details using their ID from a stored procedure called getStudentDetails(int id).

   Hint

   What do you need to set and how do you retrieve results?

6. 6.

   Discuss the implications of using input vs output parameters in CallableStatements and provide an example of each.

   Hint

   Consider scenarios when you would need to pass values into a stored procedure versus expecting values back.