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 LiveInternet.ru:
: 16.03.2006
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, 14 2014 . 23:15 +
Select COUNT(name), COUNT(datnow) from nach,konec WHERE key_psi=key_sub
. .
: Select COUNT(datnow) from nach,konec WHERE name LIKE "" AND key_psi=key_sub

http://www.sql.ru/forum/1132373/poluchit-cifru-poseshheniy


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