Prepared Statement and Java: How to avoid messing up in an interview

▤ Summary

This article explains how Java PreparedStatement works with PostgreSQL through JDBC and why it matters for SQL safety and performance. It compares client-side and server-side prepared statements, including PostgreSQL’s custom and generic plan behavior. It also covers pgJDBC settings such as prepareThreshold and how HikariCP and PgBouncer affect prepared-statement handling. The piece gives practical guidance on avoiding SQL pitfalls, managing schema changes, and tuning connection pools for production use.

▦ Linked Companies

Spring

up to $1M

PostgreSQL

$1M to $5M