Database Reference
In-Depth Information
• Exact values for all partition key columns, and exact values for the first two clus-
tering columns
Most importantly, if we're going to specify values for any columns, we must specify val-
ues for the partition key columns. This is because the partition key is the top-level lookup
key for rows in any table; recall our mental model from the
Refining our mental model
section at the end of
Chapter 3
,
Organizing Related Data
.
