Is it possible to specify a condition in Count()? I would like to count only the rows that have, for example, "Manager" in the Position column. I want to do it in the count statement, not using WH...

Apr 27, 2010 · I have an SQL SELECT query that also uses a GROUP BY, I want to count all the records after the GROUP BY clause filtered the resultset. Is there any way to do this directly with …

Note that as an alternative to distinct, as I have made the correction, you can also/better use group by with the benefit of replacing an entire nested query with a simple count(*) as @Mihai shows - with …

Aug 3, 2009 · 904 Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward …

Feb 18, 2011 · How to use COUNT CASE and WHEN statement in MySQL query, to count when data is NULL and when it is not NULL in one MySQL query?

Jun 16, 2016 · How do I count the number of records returned by a group by query, For eg: select count(*) from temptable group by column_1, column_2, column_3, column_4 Gives me, 1 1 2 I need …

tbl_leads id int, first_name nvarchar(100), last_name nvarchar(100), created_date datetime And I need to count the number of leads for each day, 10 days total. SO the result set should look something like …

How to count occurrences of a column value efficiently in SQL? Asked 16 years, 4 months ago Modified 1 year, 11 months ago Viewed 714k times

May 10, 2017 · Consider the sequence of events in a SELECT query: Best way to get result count before LIMIT was applied Possible downside: window functions do not aggregate rows. You get all …

Oct 30, 2012 · SELECT CASE WHEN (SELECT COUNT(id) FROM table WHERE column2 = 4) > 0 THEN 1 ELSE 0 END Basically just return 1 when there's one or more rows in the table, 0 otherwise. …