On 9/3/2013 6:52 PM, ChingChang Hsiao wrote:
What is the count of services have more than 2 service_port(sp) and type is
e-lan? The answer is 1. Could it be described as one sql statement?
select count(*) from service_table s
where service_type = 'e-lan' and
(select count(*) from service_port_table sp where s.service_no =
sp.service_no) > 2;
--
Igor Tandetnik
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