mysql - SQL Injection attack - What does this do? - Stack Overflow
> SELECT COUNT(*),CONCAT((SELECT CONCAT(user,password) FROM mysql.user LIMIT 1), > 0x20, FLOOR(RAND(0)*2)) x
mysql - SELECT with a COUNT of another SELECT - Stack Overflow
SELECT id, SUM(CASE WHEN status = 3 THEN 1 ELSE 0 END) as status_3_count FROM yourtable GROUP BY id. or just use a WHERE status = 3
MySQL :: MySQL 8.0 Reference Manual :: 13.2.10 SELECT Syntax
SELECT is used to retrieve rows selected from one or more tables, and can include UNION statements and subqueries.
sql - Execution time select * vs select count(*) - Stack Overflow
Shouldn't select count(*) take more time to execute since it makes more operations? To output all the results from select * I need 4 minutes (not 32 seconds, as indicated by server log). I understand that the client has to output a lot of data and it will be slow, but what about the server's log?
SQL Инъекции | Page 9 | ANTICHAT - Security online community
...(SELECT 1 UNION SELECT 2 UNION SELECT 3)x GROUP BY CONCAT(MID(database(), 1, 63), FLOOR(RAND(0)*2)
Intro to sqlmap · 2buntu
FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'jjhL'='jjhL&Submit=Submit.
Solved: Proc SQL and select count(*) - SAS Support Communities
I'm counting the number of reimbursement by year, month and by ATC (a categorical variable describing "classes" of medicines).
SQLMap Tamper Scripts (SQL Injection and WAF bypass) Tips
tamper=between,bluecoat,charencode,charunicodeencode,concat2concatws,equaltolike,greatest,halfversionedmorekeywords,ifnull2ifisnull,modsecurityversioned,modsecurityzeroversioned,multiplespaces,nonrecursivereplacement,percentage,randomcase...
SQL Tip: COUNTing NULL values – Benjamin's Blog
sqlbenjamin.wordpress.com
· Using SELECT COUNT(*) or SELECT COUNT(1) (which is what I prefer to use) will return the total of all records returned in the result set regardless of NULL values. · Using COUNT()will count the number of non-NULL items in the specified column (NULL fields will be ignored).
and(select 1 from(select count(*), concat((select... - Pastebin.com
concat(0x7e,0x27,count(table_name),0x27,0x7e) FROM `information_schema`.tables WHERE.