# Mvcc (Continue...)


![left](./student-guide/diagram/03-MVCC-03-03.png)
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Finally, in Write CF, the pointer is empty, and KEY = 4 is found in Lock CF, indicating that the user key = 4 is in a transaction, and KEY = 4_150 is found in the Default CF, and its next value is KEY = 4_80. Since 80 is before 120, it is the required value. VALUE = Tony.