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)