How can I select count(*) from two different tables (call them tab1 and tab2) having as result: Count_1 Count_2 123 456 I've tried this: select count(*) Count_1 from schema.tab1 union all

In the second query, there's embedded group-by that potentially greatly reduces the number of rows. Try adding DISTINCT to the first query: "select DISTINCT id, age, count (*) over …

Sep 27, 2013 · If you want the result to be in one row you can use:

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 …

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 …

Mar 7, 2015 · I need to send a SQL query to a database that tells me how many rows there are in a table. I could get all the rows in the table with a SELECT and then count them, but I don't like …

Jun 19, 2013 · SELECT COUNT(*), * FROM CUSTOMER c WHERE c.Name like 'foo%'; When I try to execute this query in Oracle SQL Developer it doesn't work and throws me an error: …

109 You have to create a derived table for the distinct columns and then query the count from that table:

Jun 16, 2009 · Using DISTINCT and COUNT together in a MySQL Query Asked 16 years, 8 months ago Modified 3 years, 2 months ago Viewed 254k times

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 …