It is sooo simple. The database is always limited by a bottleneck. Either:
- disk I/O
- memory
- CPU
- network
Determine your bottleneck, solve it
Determine your bottleneck, solve it
Determine your bottleneck, solve it
Determine your bottleneck, solve it
Determine your bottleneck, solve it
Determine your bottleneck, solve it
etc etc etc...
That's right, you're never finished
That's right, this is true for all databases, not only DB2