sql 数据库拼接字符串更改字段值
字段orderid的值为1234,则:
CONCAT(orderid,“0000”)的值为: 12340000
CONCAT(orderid,orderid)的值为:12341234
一下两个个都可以实现:
UPDATE test_lfy_t SET NAME_ = REPLACE(NAME_,NAME_,CONCAT('ABCxxxxx',NAME_))
UPDATE test_lfy_t SET NAME_ = CONCAT(NAME_,"测试")