标签: sql
当我写下面的查询时:
select * from tablename where cloumn1 = "String1" and column2 = "String2";
我收到错误
String2:无效的标识符。
答案 0 :(得分:2)
删除双引号
select * from tablename where cloumn1 = 'String1' and column2 = 'String2';