diff --git a/Opera_History.sql b/Opera_History.sql
index 6d80a6e..305ff0c 100644
--- a/Opera_History.sql
+++ b/Opera_History.sql
@@ -1,31 +1,54 @@
+-- Opera, Chrome, Edge Browsing History
+--
+-- REFERENCES:
+-- https://www.foxtonforensics.com/blog/post/analysing-synchronised-browser-history
+
 select 
 urls.id as 'url_id',
-visits.from_visit as 'Previous_url_id',
+(select url from urls where urls.id = visits.from_visit) as 'FromVisit',
 urls.title as 'title',
 urls.url as 'url',
-segments.name as 'name',
+segments.name as 'segment',
 urls.visit_count as 'count',
 segment_usage.visit_count,
-downloads.current_path 'Download_path',
+downloads.current_path 'CurrentPath',
 downloads.received_bytes as 'ReceivedBytes',
 downloads.total_bytes as 'TotalBytes',
-downloads.opened as 'Opened',
-case when downloads.last_access_time <> 0 then datetime((downloads.last_access_time/1000000)-11644473600,'unixepoch','localtime') else '' end as 'last_access_time', -- Chrome Time,
-downloads.last_modified as 'last_modified', 
+case downloads.opened 
+	when 0 then 'No'
+	when 1 then 'Yes'
+	end as 'Opened',
+case 
+	when downloads.last_access_time <> 0 
+	then datetime((downloads.last_access_time/1000000)-11644473600,'unixepoch','localtime') 
+	else '' 
+	end as 'last_access_time', -- Chrome Time,
+downloads.last_modified as 'last_modified',
+case visit_source.source
+	when 0 then 'Synced'
+	when 1 then 'Browsed'
+	when 2 then 'FromExtension'
+	when 3 then 'Imported from Firefox'
+	when 4 then 'Imported from IE'
+	when 5 then 'Imported from Safari'
+	else visit_source.source
+	end as 'VisitSource',
 datetime((downloads.end_time/1000000)-11644473600,'unixepoch','localtime') as 'Down_End', -- Chrome Time,
 datetime((downloads.start_time/1000000)-11644473600,'unixepoch','localtime') as 'Down_Start', -- Chrome Time,
 datetime((urls.last_visit_time/1000000)-11644473600,'unixepoch','localtime') as 'LastVisit', -- Chrome Time
 datetime((visits.visit_time/1000000)-11644473600,'unixepoch','localtime') as 'VisitTime', -- Chrome Time
 datetime((segment_usage.time_slot/1000000)-11644473600,'unixepoch','localtime') as 'time_slot', -- Chrome Time
-time((visits.transition/1000000)-11644473600,'unixepoch','localtime') as 'transition',
-time((visits.visit_duration/1000000)-11644473600,'unixepoch','localtime') as 'duration',
-keyword_search_terms.lower_term as'LowerTerm',
-keyword_search_terms.term as 'Term'
+time(visits.transition/1000000,'unixepoch') as 'transition',
+time(visits.visit_duration/1000000,'unixepoch') as 'duration',
+keyword_search_terms.lower_term as'SearchLowerTerm',
+keyword_search_terms.term as 'SearchTerm'
 
 from urls
-left join visits on urls.id = visits.id 
+left join visits on urls.id = visits.id
+left join visit_source on visit_source.id = visits.id 
 left join segments on urls.id = segments.url_id
 left join segment_usage on segments.id =  segment_usage.segment_id
 left join keyword_search_terms on keyword_search_terms.url_id = urls.id
-left join downloads on urls.url = downloads.referrer or urls.url = downloads.tab_referrer_url
-order by urls.id desc, visits.from_visit desc, lastvisit desc
\ No newline at end of file
+left join downloads_url_chains on downloads_url_chains.url = urls.url
+left join downloads on downloads.id = downloads_url_chains.id
+order by count desc, lastvisit desc
\ No newline at end of file