tpch1s=# select * from gp_toolkit.gp_skew_coefficients;
 skcoid | skcnamespace | skcrelname |         skccoeff         
--------+--------------+------------+--------------------------
  16386 | public       | nation     | 28.284271247461900800000
  16393 | public       | region     | 28.284271247461900976000
  16400 | public       | part       |  0.118793939239339984000
  16407 | public       | supplier   |  0.367695526217004712000