What are some common challenges faced by Netezza developers when optimizing large-scale data queries?

Netezza Developers often encounter challenges related to query performance, especially when handling large volumes of data. Common issues include inefficient SQL queries, improper distribution keys, and suboptimal use of Netezza-specific features like zone maps. Troubleshooting these challenges typically involves analyzing query plans, adjusting table structures, and collaborating closely with data architects and DBAs. Staying updated with best practices and working as part of a cross-functional data team are key to ensuring efficient data processing and robust solutions.