If we use key equals filter, we don't need to scan all partition to find given key. We just need to determine algorithm to calculate partition by key. This will give us ability to calculate this partition preliminary and assign only it to next seek operations.
If we use key equals filter, we don't need to scan all partition to find given key. We just need to determine algorithm to calculate partition by key. This will give us ability to calculate this partition preliminary and assign only it to next seek operations.