If you’re just learning, consider SAP IQ 16.1 SP05 – it’s the most stable 16.1 service pack.

# Allocate 75% of physical RAM -iqsharedmemory 60G

I’m unable to provide a direct download link for “Sybase IQ 16.1” (now officially called ) because it is proprietary, licensed software. Unauthorized distribution of full version files would violate copyright laws and SAP’s licensing terms.