When externally sharing there will be one row here for each resource shared.
resource,int(11),
access_key,char(10),External access key
user,int(11),
usergroup,int(11),
collection,int(11),
request_feedback,int(11),(boolean) When emailing external contacts, allow recipients to select resources and add feedback when accessing share
email,varchar(100),Email address share was created for
date,datetime,Date share created
lastused,datetime,Date share was last accessed
access,int(11),Access level 0 = open, 1 = restricted
expires,datetime,Share expiration date
password_hash,varchar(100),Hash of share password (NULL if not set)
upload,int(11),Set to 0 for standard external view access share, 1 for an external upload share for a collection