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MySQL INSERT INTO 語句


MySQL INSERT INTO 語句

INSERT INTO 語句用於向表中插入新記錄。

INSERT INTO 語法

INSERT INTO 語句有兩種寫法:

1. 指定列名和要插入的值

INSERT INTO 表名 (列1, 列2, 列3, ...)
VALUES (值1, 值2, 值3, ...);

2. 如果為表中的所有列新增值,則無需在 SQL 查詢中指定列名。但請確保值的順序與表中的列順序相同。此時,INSERT INTO 語法如下:

INSERT INTO 表名
VALUES (值1, 值2, 值3, ...);

演示資料庫

以下是 Northwind 示例資料庫中“Customers”表的選段

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland


INSERT INTO 示例

以下 SQL 語句在“Customers”表中插入一條新記錄:

示例

INSERT INTO Customers (CustomerName, ContactName, Address, City, PostalCode, Country)
VALUES ('Cardinal', 'Tom B. Erichsen', 'Skagen 21', 'Stavanger', '4006', 'Norway');

The selection from the "Customers" table will now look like this

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland
92 Cardinal Tom B. Erichsen Skagen 21 Stavanger 4006 Norway

您注意到我們沒有在 CustomerID 欄位中插入任何數字嗎?
CustomerID 列是 自動遞增 欄位,將在新記錄插入表中時自動生成。


僅插入指定列的資料

也可以只在特定列中插入資料。

以下 SQL 語句將插入一條新記錄,但僅在“CustomerName”、“City”和“Country”列中插入資料(CustomerID 將自動更新):

示例

INSERT INTO Customers (CustomerName, City, Country)
VALUES ('Cardinal', 'Stavanger', 'Norway');

The selection from the "Customers" table will now look like this

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland
92 Cardinal null null Stavanger null Norway

透過練習來測試自己

練習

Insert a new record in the Customers table.

 Customers 
CustomerName, 
Address, 
City, 
PostalCode,
Country
 
'Hekkan Burger',
'Gateveien 15',
'Sandnes',
'4306',
'Norway';

開始練習


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