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HeatWave User Guide  /  ...  /  The rpd_columns Table

11.10.6 The rpd_columns Table

The rpd_columns table provides column encoding information for columns of tables loaded in HeatWave.

The rpd_columns table has these columns:


    A unique identifier for the table.


    A unique identifier for the table column.


    The type of encoding used. Possible values include VARLEN and SORTED.


    The data placement key index ID associated with the column. Index value ranges from 1 to 16. For information about data placement key index values, see Section 3.4, “Defining Data Placement Keys”. NULL indicates that the column is not defined as a data placement key. For a DATA_PLACEMENT_INDEX query that identifies columns with data placement keys, see Section 11.5, “Metadata Queries”.

The rpd_columns table is read-only.