DECLARE
v_clob CLOB;
BEGIN
v_clob :='ADCO01,ADCO08,ADCO09,ADCO11,ADCO12,ADCOC0,ADFT01,ADFT03,ADFTC0,ADHF02,ADHF05,ADHF07';
--清空
--UPDATE T05_PROBLEM_AUTHORITY t SET t.STORE_AT_GUID2 = empty_clob();
--更新
--UPDATE T05_PROBLEM_AUTHORITY t SET t.STORE_AT_GUID2 = v_clob;
COMMIT;
END;