德比SQL INSERT

Question

我想在我的数据库 这将值是我尝试执行语句：

insert into leverancier (id,naam,straat,nr,postcode,plaats,telefoon) 
    values (1,"stef","bosstraat",88,9240,"Zele",null); 

我得到以下错误：

ERROR 42X04: Column 'stef' is either not in any table in the FROM list or appears within a join specification and is outside the scope of the join specification or appears in a HAVING clause and is not in the GROUP BY list. If this is a CREATE or ALTER TABLE statement then 'stef' is not a column in the target table. 

是什么问题？

Answer 1

要插入字符串，如"stef"，请勿使用双引号，而应使用单引号：'stef'。这里的说法应该是这样：

INSERT INTO leverancier 
    (id, naam, straat, nr, postcode, plaats, telefoon) 
VALUES 
    (1,'stef', 'bosstraat', 88, 9240, 'Zele', NULL); 

你Column 'stef' is either not in any table ...这个错误是因为双引号被用于表和列名。因此，读取"stef"时，解析器假定您指的是名为stef的列。