SQL for Java Devs – Page 3 – Sharp: NCLEX, Java & Python

Java: Transactions

Why do teams use transactions in JDBC for e-commerce operations in production code?

What design considerations should you make for JDBC transactions in a high-concurrency environment?

How does JDBC handle transaction boundaries?

What does disabling auto-commit mode in JDBC achieve?

How does commit() work in a JDBC transaction?

How do you handle SQLExceptions when processing a ResultSet?

Why is it risky to use rs.getString() for non-string columns?

How can you ensure a ResultSet is closed even if an exception occurs?

What makes PreparedStatement safer than Statement?

What are the implications of using ResultSet.TYPE_SCROLL_INSENSITIVE?