Search results
19 sie 2018 · use sum instead of count. SELECT MONTH(createddate) AS [Month], COUNT(createddate) AS [Renters], sum(CASE WHEN (datereturned) = DATE THEN 1 ELSE 0 END) AS [Returns]) FROM Bikes WHERE datereturned IS NOT NULL GROUP BY MONTH(createddate);
You probably have empty strings, not null values. If you don't want to count these either, you can use this query SELECT count(nullif(improve,'')) + count(nullif(timeframe,'')) + count(nullif(impact,'')) + count(nullif(criteria,'')) FROM data
How to form a SQL Server COUNT IF. In SQL Server, the IIF function allows you to evaluate an expression and returns a value if the expression is true or another value if the expression is false. Here’s the syntax of the IFF function: IIF(expression, value_if_true, value_if_false) Code language: SQL (Structured Query Language) (sql) The COUNT ...
2 lut 2013 · I am trying to report on data in e-email messaging system and wanted to have SQL tally counts by month/year. SELECT YEAR(crdate) AS y, MONTH(crdate) AS m, COUNT(*) AS tally FROM MESSAGE WHERE YEAR(crdate) = 2012 AND SUBJECT <> 'Welcome' --exclude default messages GROUP BY YEAR(crdate), MONTH(crdate)
15 cze 2024 · It allows us to count the number of rows in a result set, and counting rows based on specific conditions is often needed. In this tutorial, we’ll look at different methods for counting the number of rows in SQL, including how to perform conditional counting.
16 mar 2023 · The SQL COUNT() function returns the number of rows returned by a query. In practice, the COUNT() function can help you calculate the number of films in a database, the number of films in a specific genre, the number of films per director, etc.
2 lut 2023 · How to count blank cells at end of row in n-column table 1 Count unique values of "X" where all instances of "X" are associated with the same assigned value "Y"
