mysql查询某个字段并修改
比如我存储的数据,有的是 山东,有的是山东省
我想统一改为山东省
UPDATE t_security SET province = REPLACE( province, '山东', '山东省' ) WHERE province ='山东';
大同证券改为山西大同证券
UPDATE t_security SET security = REPLACE( security, '大同证券', '山西大同证券' ) WHERE security ='大同证券';
如果我想把股票表的交易所代码全部从SH改为sh
UPDATE t_stock SET exchangeCode = REPLACE( exchangeCode, 'SH', 'sh' ) WHERE exchangeCode ='SH';
SZ改为sz
UPDATE t_stock SET exchangeCode = REPLACE( exchangeCode, 'SZ', 'sz' ) WHERE exchangeCode ='SZ';