testdb.public contains 18 columns - click on heading to sort:

Table	Column	Type	Size	Nulls	Auto	Default	Comments
cor_pref_preference	c_created	timestamp	29,6	√		null
cor_pref_preference	c_created_by	varchar	255	√		null
cor_pref_preference	c_current_value	varchar	4096	√		null
cor_pref_preference	c_def_value	varchar	4096	√		null
cor_pref_preference	c_description	varchar	255	√		null
cor_pref_preference	c_from_file	bool	1	√		null
cor_pref_preference	c_group_name	varchar	36	√		null
cor_pref_preference	c_key	varchar	60	√		null
cor_pref_preference	c_max_value	varchar	4096	√		null
cor_pref_preference	c_min_value	varchar	4096	√		null
cor_pref_preference	c_ol	int8	19	√		null
cor_pref_preference	c_owner	varchar	60	√		null
cor_pref_preference	c_pid	varchar	255
cor_pref_preference	c_pk	int8	19
cor_pref_preference	c_scope	varchar	255
cor_pref_preference	c_type	varchar	36
cor_pref_preference	c_updated	timestamp	29,6	√		null
cor_pref_preference	c_updated_by	varchar	255	√		null