tablename |   attname   | null_frac | avg_width | n_distinct |                                                most_common_vals                                                 |                                           most_common_freqs                                           |                                                        histogram_bounds                                                         | correlation 
-----------+-------------+-----------+-----------+------------+-----------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+-------------
 noon      | v_code      |         0 |         8 |        109 | {4550,4630,4650,4800,4520,4770,4690,4620,4610,4560}                                                             | {0.0273333,0.0263333,0.026,0.0256667,0.0253333,0.0253333,0.0246667,0.0226667,0.0223333,0.022}         | {1030,3210,4360,4500,4570,4670,4740,4820,4870,4940,6020}                                                                        |   -0.260377
 noon      | report_date |         0 |         4 |       3402 | {1999-01-22,2000-12-26,1998-09-29,1998-10-11,1999-02-24,1999-05-19,1999-09-08,1999-09-13,2000-01-19,2000-02-03} | {0.002,0.002,0.00166667,0.00166667,0.00166667,0.00166667,0.00166667,0.00166667,0.00166667,0.00166667} | {"0001-11-07 BC",1994-10-22,1996-04-05,1997-06-19,1998-07-31,1999-04-01,1999-12-15,2000-09-29,2001-05-31,2002-02-06,2003-01-02} |   -0.821627
 noon      | rotation    |         0 |        13 |          6 | {"NOON     ","PORT LOG ","ARRIVAL  ",DEPARTURE,"SEA      ","NEXT PORT"}                                         | {0.478,0.253667,0.138333,0.121667,0.006,0.00233333}                                                   |                                                                                                                                 |    0.147822
(3 rows)