两张表关联更新数据

代码如下：UPDATE T1 
SET T1.FMONEY = (select T2.FMONEY from T2 where T2.FNAME = T1.FNAME)
WHERE EXISTS(SELECT 1 FROM T2 WHERE T2.FNAME = T1.FNAME);

来源：https://www.cnblogs.com/Cuimc/p/11363265.html