19.6.1. Statement Interface

Try these first

1. 1.

   What is the main purpose of the Statement Interface in JDBC?

   Hint

   Think about how you send SQL commands to a database.

2. 2.

   What method do you use to create a Statement object?

   Hint

   What is the first step after establishing a database connection?

3. 3.

   What does the Statement Interface allow you to do?

   • Execute static SQL statements
   • Connect to different databases
   • Manage transactions

   Hint

   Think of what the interface is primarily used for.

4. 4.

   True or False: A PreparedStatement can be executed multiple times with different parameters.

   • True
   • False

   Hint

   Remember how PreparedStatements handle SQL commands.

5. 5.

   Create a JDBC connection, use a Statement to execute a query that retrieves student names who scored above 90, and handle any exceptions that might occur.

   Hint

   Ensure to handle possible exceptions and close resources.

6. 6.

   Discuss the performance implications of using Statement vs PreparedStatement in JDBC applications.

   Hint

   Consider how SQL commands are prepared and executed.