SQL for Java Devs – Page 10 – Sharp: NCLEX, Java & Python

Java: PreparedStatements

What trade-offs exist when using PreparedStatements?

How do you close a PreparedStatement in JDBC?

Why does a placeholder in a PreparedStatement matter in this design?

What are the trade-offs of using complex SQL JOINs in large datasets?

How do SQL JOINs affect the shape of the result set compared to separate queries?

What design consequences arise from using SQL JOINs in application logic?

How are one-to-many relationships typically represented in Java using JDBC?

In JDBC, how can you efficiently retrieve a list of orders with associated customer names using SQL?

Why might a RIGHT JOIN be more beneficial than a LEFT JOIN in certain scenarios?

How can JOINs help to prevent the N+1 query problem in JDBC?