select rownum from dual connect by rownum <= 12

SELECT '2016/'||substr('0'||to_char(rownum),-2,2) yymm
FROM DUAL CONNECT BY rownum<=12;

select rownum from dual connect by rownum <= 12

SELECT '2016/'||substr('0'||to_char(rownum),-2,2) yymm
FROM DUAL CONNECT BY rownum<=12;


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