SQL查詢中插入數據不能正常工作

Question

以下是我的SQL查詢：

嘗試1

INSERT INTO `product`(`productid`, `title`, `category`, `description`) 
VALUES (NULL,`iMac`,`Desktop`,`With its enhanced, big and beautiful display, the new Apple iMac M-D093-B/A 21.5 Desktop Computer renders your movies, photos, web pages and other graphics in truly jaw-dropping detail.`) 

嘗試2

INSERT INTO `product`(`productid`, `title`, `category`, `description`) 
VALUES(` `,`iMac`,`Desktop`,`With its enhanced, big and beautiful display, the new Apple iMac M-D093-B/A 21.5 Desktop Computer renders your movies, photos, web pages and other graphics in truly jaw-dropping detail.`) 

我不斷收到一個錯誤：MySQL returned an empty result set (i.e. zero rows). (Query took 0.0003 sec)

我不明白我做錯了什麼。這是我的列名列表

1 productid int(11)  
2 title varchar(100) 
3 category varchar(100) 
4 description varchar(2000) 

表名：產品

Answer 1

對於值，使用'字符，而不是這一個：```（對不起，我得找出如何放一個反引號成降價行內代碼塊...）

INSERT INTO `product`(`productid`, `title`, `category`, `description`) 
VALUES (NULL,'iMac','Desktop','With its enhanced, big and beautiful display, the new Apple iMac M-D093-B/A 21.5 Desktop Computer renders your movies, photos, web pages and other graphics in truly jaw-dropping detail.') 

這應該工作... Here is the SQLfiddle for it。

編輯 這是解決按代爾鋁-Zour表定義：

INSERT INTO `product`(`title`, `category`, `description`) 
VALUES ('iMac','Desktop','With its enhanced, big and beautiful display, the new Apple iMac M-D093-B/A 21.5 Desktop Computer renders your movies, photos, web pages and other graphics in truly jaw-dropping detail.') 

你有兩件事情你忘了提： * productid是PRIMARY KEY（因此，自動NOT NULL）列 - 任何在該列中使用NULL的插入都將失敗 * productid是一個AUTO_INCREMENT列 - 您甚至不必將其包含在INSERT語句中，每當您將其填入唯一值時插入一行

The SQL fiddle for this

Answer 2

你必須使用'每varchar，數據類型，所以你的情況：

INSERT INTO product(productid, title, category, description) VALUES 
(
    NULL, 
    'iMac', 
    'Desktop', 
    'With its enhanced, big and beautiful display, the new Apple iMac M-D093-B/A 21.5 Desktop Computer renders your movies, photos, web pages and other graphics in truly jaw-dropping detail.' 
);