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00 55 A9 54 FF AA
00
FF
Id = 1
Name = Jim
Hash (1) = 7B
Id = 2
Name = Andy
Dept = Eng
Hash (2) = 48
Id = 3
Name = Kim
Dept = Ops
Hash (3) = CD
Key Space
Partition keys
Partition key 分區鍵為唯一識別值
Partition key 使用Hash雜湊值分佈所在 Key Space
允許對表進行partitioned分區，依據用量進行分區數量縮放
