Conventional AS/400 wisdom holds that SQL's database access is slow. Flexible, yes. Speedy, no. If you want good performance, stick with RPG's built-in I/O. So who'd have guessed that SQL/400 would beat RPG IV in a couple of head-to-head benchmarks and come darn close in several others? Yet that's what happened when I matched up SQL/400 and RPG IV to compare their I/O performance. If you're the impatient type, the recap below provides the abbreviated benchmark results. But don't make ...

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