DECLARE @Id int = 5
2.Insert 语句可以一次插入多行数据
INSERT INTO StateList VALUES(@Id, 'WA'), (@Id + 1, 'FL'), (@Id + 2, 'NY')
3.支持+=操作符
SET StateId += 1
完整示例如下：
实现代码如下：
CREATE TABLE StateList(StateId int, StateName char(2))
GO
-- Declare variable and assign a value in a single statement
DECLARE @Id int = 5
-- Insert multiple rows in a single statement with IDs 5, 6, and 7
INSERT INTO StateList VALUES(@Id, 'WA'), (@Id + 1, 'FL'), (@Id + 2, 'NY')
-- Use compound assignment operator to increment ID values to 6, 7, and 8
UPDATE StateList
SET StateId += 1
-- View the results
SELECT * FROM StateList
结果集为：
StateId StateName
------- ---------
6 WA
7 FL
8 NY
(3 row(s) affected)
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