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 FROM …
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 the rows.
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 to do it …
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 with …
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?
Count number of records returned by group by - Stack Overflow
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 …
sql - Select count (*) from multiple tables - Stack Overflow
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
How to count instances of character in SQL Column
Apr 20, 2017 · I have an sql column that is a string of 100 'Y' or 'N' characters. For example: YYNYNYYNNNYYNY... What is the easiest way to get the count of all 'Y' symbols in each row.