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What Is Columnfamily? |
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Answer» As the name suggests, ColumnFamily refers to a STRUCTURE having INFINITE number of rows. That are REFERRED by a key-VALUE pair, where key is the name of the column and value represents the column data. It is much similar to a hashmap in java or dictionary in Python. Rememeber, the rows are not limited to a predefined list of COLUMNS here. Also, the ColumnFamily is absolutely flexible with one row having 100 Columns while the other only 2 columns. As the name suggests, ColumnFamily refers to a structure having infinite number of rows. That are referred by a key-value pair, where key is the name of the column and value represents the column data. It is much similar to a hashmap in java or dictionary in Python. Rememeber, the rows are not limited to a predefined list of Columns here. Also, the ColumnFamily is absolutely flexible with one row having 100 Columns while the other only 2 columns. |
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