sql query use select name inside where clause
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Sql query use select name inside where clause
You can not use aliased columns in a WHERE clause. You can try using a derived
table. Perhaps something like this (sorry, not tested):
select tblProgram.POIname from tblProgram
-- Use this if you only want to filter by the value.
(select count(*) as alias_name from `fb_promo_codes_used`) < 2