# of Non-Nulls # of Nulls % Nulls Most Freq. Value # of Unique % Unique
col_b 3 1 25.0% d 2 66.7%
col_c 3 1 25.0% 2021-01-02 00:00:00 3 100.0%
col_d 2 2 50.0% 2021-04-02 1 50.0%
col_h 3 1 25.0% TestEnum.VALUE_B 2 66.7%
col_i 2 2 50.0% 2021-04-02 00:00:00 1 50.0%
col_j 4 0 0.0% False 2 50.0%
col_k 0 4 100.0% None 0 nan%
col_g 3 1 25.0% d 2 66.7%