1 expression1 1.1? NOT 1.2 IN 1.2.1 ( fullselect1 ) 1.2.1 ( 1.2.1.1+ , 1.2.1.1 expression2 1.2.1.2 ) 1.2.1 expression3 1 ( row-value-expression ) 1.1? NOT 1.2 IN ( fullselect2 )