添加字段:alter table matInformation add facid varchar(99) default '';spa
導入數據:update matInformation m set facid=(select facid from material_register v where m.partNumber=v.partNumber);(參考:https://blog.csdn.net/mar_fuck/article/details/79460571).net
遇到問題:ERROR 1366 (HY000): Incorrect string value: '\xCE\xA9,1%,...' for column 'facid' at row 2(參考:https://blog.csdn.net/xiatiancc/article/details/88013915)orm
解決:show create table material_register;blog
show create table matInformation;ci
兩張表的字符集不一致,須要修改要導入數據的那一張表.get
alter table matInformation convert to character set utf8mb4 collate utf8mb4_bin;string