How can i count customer from my table in sql server?

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SQL-Server-2005

Hi all experts,
i have 1 table (Sales Customer). This table contains customer info and invoice info.
in June 2013, this table has 550 lines and if i district customer, it has 5 customers.
I want to count for each customer. Ex: Customer A how many invoices he bought, Customer B How many invoices he bought.......So Does anybody know how i can count for each customers?

Thanks

TONY

Posted 6-Jul-13 8:24am

soeun tony

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Matej Hlatky · Answer 1 · 2013-07-06T08:37:00

Solution 1

Try this:

SQL

SELECT COUNT(1) AS InvCount
FROM CustomerSales
GROUP BY CustomerID

Posted 6-Jul-13 8:37am

Matej Hlatky

KuttiSankar · Answer 2 · 2013-07-06T19:38:00

Solution 2

you can use group by clause.

Select count(columnname) from tblname
group by columnname

Ex.

select count(empid) from Employee group by EMPID

Posted 6-Jul-13 19:38pm

KuttiSankar