PostgreSQL statistics concerning the attribute
1 2 3  | 
schemaname | 
 the name of DB schema  | 
tablename | 
 the name of DB table  | 
attname | 
 the name of the attribute  | 
null_frac | 
 DB-estimated proportion of NULL values  | 
n_distinct | 
 DB-estimated number of distinct values  | 
most_common_vals | 
 JSON-encoded table of most common attribute values (as estimated by DB)  | 
most_common_freqs | 
 JSON-encoded table of the frequencies of most common attribute values (as estimated by DB)  | 
histogram_bounds | 
 JSON-encoded table of the histogram bounds of attribute values  | 
internalid | 
 (reserved)  | 
internalname | 
 (reserved)  | 
statlevel | 
 level of the statistics collected by DB  | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.