View source for List databases on PostgreSQL instance

=== Query ===
 SELECT datname FROM pg_database;

=== "Describe" ===
 SELECT column_name, data_type, is_nullable FROM information_schema.columns WHERE table_name = 'pg_database';

=== column_name, data_type, is_nullable ===
 oid|oid|NO
 datname|name|NO
 datdba|oid|NO
 encoding|integer|NO
 datlocprovider|"char"|NO
 datistemplate|boolean|NO
 datallowconn|boolean|NO
 datconnlimit|integer|NO
 datfrozenxid|xid|NO
 datminmxid|xid|NO
 dattablespace|oid|NO
 datcollate|text|NO
 datctype|text|NO
 daticulocale|text|YES
 daticurules|text|YES
 datcollversion|text|YES
 datacl|ARRAY|YES