What is the role of a "row key" in a column-family store?
- It determines the data type of the row
- It indicates the timestamp of the row
- It is used to uniquely identify a row
- It specifies the number of columns in the row
The "row key" in a column-family store is crucial as it uniquely identifies a row. It acts as the primary key for data retrieval, enabling efficient and fast access to specific rows in the column-family.
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