How to select all columns, and a count(*) in the same query

Question

In often use in TSQL the following query :

SELECT COUNT(*), * 
FROM CUSTOMER c 
WHERE c.Name like \'foo%\';

When I try to execute this que

Answer 1

This will perform better:

SELECT COUNT(*) OVER (), c.*
FROM CUSTOMER c 
WHERE c.Name like 'foo%';

Answer 2

One approach is to do something like the following. This will result in a count(*) result for each line. But beware, there is a Cartesianjoin; if you have many rows like 'foo%' this will perform badly.

select a.cntr, c.*
from CUSTOMER c 
   , (select count(*) cntr
     from customer b
     where b.name like 'foo%' ) a
where c.name like 'foo%'