
SQLʵ2
/*Ի[̿]
[۱] עݣ
ᴥִʲôҵ߼ʲôӰ졣 
Ϊܸıãṹ࣬
Ҳϵʽش˵ */




GO --ҵ۽ = *۵ҵ 

CREATE TABLE۱ (Ʒ VARCHAR(40) PRIMARY KEY NOT NULL, VARCHAR(40) NULL, INT NULL,۵ MONEY NULL,۽ MONEY NULL ) 

GO --ҵ򣺿 = *浥ҵ 

CREATE TABLE̿ (Ʒ VARCHAR(40) PRIMARY KEY NOT NULL, INT NULL,浥 MONEY NULL, MONEY NULL ) 
GO --

ʾ1 /*[T_INSERT_̿]ϼ򵥡
 ˵ÿ[̿] INSERTô 
ܣǿִҵ
֤У
 = *浥ۡ 

ע⣺ [INSERTED][DELETED]Ϊϵͳɴ޸ġɾԵá

 ҪϵͳĽṹͬݵıĽṹ */



 /*[̿]ݣ
 ע⣬һݣɽеݷҵ
       ڶݣɽΪ壩У[]գҵ
       ݣӳУ[][][浥]ҵ ݿΪ0 

עڲݺ󣬼[̿]еǷ = *浥ۡ

 */ 

INSERT INTO̿(Ʒ,,浥,)
SELECT ɽ,100,12,1200 UNION ALL 
SELECT ɽΪ塯,100,22,NULL UNION ALL
SELECT ӳ,100,60,500 UNION ALL 
SELECT Ϫ,0,30,0 GO 

--ѯ 


