#@__ appeared in the sql statements

#@__ appeared in the sql statements

am 13.09.2011 05:30:00 von win.acc

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Studying a cms recently ,got a sql statement like this :
Select * From `#@__homepageset`
i knew the '#@__' means the table prefix but how it like this ?
Did defined in the mysql or in the php code .i could't find its definition
at present.Any phper's comments thanks in advance .

All you best
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