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while this query dint work :
"select * from (select rownum,a.* from emp a) where rownum=70;"
2. as i've read that rownum can work only for < and <= but not for = or > or >=, then why the query worked for rnum=70">1. Why is it so that the given query worked :"select * from (select rownum rnum,a.* from emp a) where rnum=70; "while this query dint work :"select * from (select rownum,a.* from emp a) where rownum=70;"2. as i've read that rownum can work only for < and or >=, then why the query worked for rnum=70