我正在研究标准访问权限。我写了这段代码:
SELECT *
FROM room
WHERE price < 40 AND
type IN ('Double", "Single")
ORDER BY price;
当我运行它时,它告诉我这个消息
<块引用>查询表达式中字符串中的语法错误 price < 40 AND type IN ('Double", "Single") 按价格订购;
答案 0 :(得分:0)
SQL 中的字符串文字用单引号表示,而不是双引号:
SELECT * FROM room WHERE price < 40 AND type IN ('Double', 'Single') ORDER BY price
答案 1 :(得分:0)
不能混合使用单引号和双引号。此外,type
是保留字。
所以试试:
SELECT *
FROM room
WHERE price < 40 AND [type] IN ("Double", "Single")
ORDER BY price;