oracle一行变多oracle账号行实现教程
SELECT REGEXP_SUBSTR('1,2,3,4,5,6,7,8,9', '[^,]+', 1, ROWNUM) FROM DUAL CONNECT BY ROWNUM <= LENGTH('1,2,3,4,5,6,7,8,9') - LENGTH(REPLACE('1,2,3,4,5,6,7,8,9', ',', '')) + 1
oracle一行变多oracle账号行实现教程
SELECT REGEXP_SUBSTR('1,2,3,4,5,6,7,8,9', '[^,]+', 1, ROWNUM) FROM DUAL CONNECT BY ROWNUM <= LENGTH('1,2,3,4,5,6,7,8,9') - LENGTH(REPLACE('1,2,3,4,5,6,7,8,9', ',', '')) + 1