sql - Equivalent of a COUNTIF aggregate function - Stack Overflow
SELECT UID, COUNT(UID) AS TotalRecords, SUM(ContractDollars) AS ContractDollars, (COUNTIF(MyColumn, 1) / COUNT(UID) * 100) -- Get the average of all records that are 1 …
How to count occurrences of a column value efficiently in SQL?
How to count occurrences of a column value efficiently in SQL? Asked 16 years, 3 months ago Modified 1 year, 9 months ago Viewed 712k times
In SQL, what's the difference between count (column) and count ...
Sep 12, 2008 · The COUNT (*) sentence indicates SQL Server to return all the rows from a table, including NULLs. COUNT (column_name) just retrieves the rows having a non-null value on …
sql - Is it possible to specify condition in Count ()? - Stack Overflow
608 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.
SQL count rows in a table - Stack Overflow
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 …
Count based on condition in SQL Server - Stack Overflow
Does anyone know how can I do a count in SQL Server based on condition. Example: How can I do a column count for records with name 'system', and total CaseID records in the table?
sql - How to use count and group by at the same select statement ...
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 …
sql - Selecting COUNT (*) with DISTINCT - Stack Overflow
656 In SQL Server 2005 I have a table cm_production that lists all the code that's been put into production. The table has a ticket_number, program_type, program_name and push_number …
sql - Multiple COUNT () for multiple conditions in one query …
Sep 27, 2013 · If you want the result to be in one row you can use:
sql - count (*) vs count (column-name) - which is more correct?
Jun 9, 2010 · To be exact, COUNT (column) counts rows in which values of column is not NULL, whereas COUNT (*) counts all rows of the table.