Practice Preparedstatement Interface (19.6.2) - Database Connectivity (e.g., JDBC)

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What is a PreparedStatement and why is it used?
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Think about SQL injection prevention.
Question 2.
Write a simple line of code to create a PreparedStatement.
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Start with establishing a connection.
3Question 3.
What is the primary benefit of using PreparedStatement?
- Better performance
- SQL injection prevention
- Both of the above
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Think about why we don't just use Statement.
4Question 4.
True or False: PreparedStatements can only be used for SELECT queries.
- True
- False
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Consider the different SQL operations.
Question 5.
Create a method that accepts a student ID as a parameter and returns the student's name using PreparedStatement. Include error handling.
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Remember to close resources within the try-with-resources statement.
Question 6.
Using PreparedStatement, design a program to insert multiple students' information efficiently. Explain the benefits of using batch processing.
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Focus on the use of batch for efficiency.

5 more questions in this section. Enroll free to practise them all.