Oracle把逗号分割的字符串转换为可放入in的条件语句的字符数列
select DESCRIPTION from ADDNOTES_LINE_TABLE where LINE_NO IN (
SELECT REGEXP_SUBSTR('0050300046095,0050600249032','[^,]+', 1, LEVEL) FROM DUAL
CONNECT BY REGEXP_SUBSTR('SMITH,ALLEN,WARD,JONES', '[^,]+', 1, LEVEL) IS NOT NULL
)