1 去掉回车+换行
update test set logiccontent=replace(logiccontent, char(13)+char(10), '');
2去掉回车
update test set logiccontent=replace(logiccontent, char(13), '');
3去掉换行
update test set logiccontent=replace(logiccontent, char(10), '');
4查询含有'%'的字串
SELECT DISTINCT key_word FROM dim_ec_ref WHERE key_word LIKE '%/%%%' ESCAPE '/'