SQLÐÐתÁдúÂë
1. SQLÐÐתÁдúÂë
-
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±íÀïÃæÓÐÕâôһ×éÊý¾Ý:
code price
'MCU0-3' 15
'MCU0-3' 20
'MCU0-3' 22
'MCU3-15' 17
'MCU3-15' 16
'MCU3-15' -10
'MCU3-15' 50
'MCU3-27' 99
'MCU3-27' 96
'MCU3-27' 54
'MCU3-27' 14
'MCU3-27' 46
'MCU3-27' 86
ÏÖÔÚÐèÒªµÃµ½ÕâÑùµÄ½á¹û:
MCU0-3 MCU3-15 MCU3-27
15 17 99
20 16 96
22 -10 54
null 50 14
null null 46
null null 86
SQLÓï¾äÊÇÕâÑùдµÄ:
SELECT ID = IDENTITY(INT, 1, 1), price into #T1 from [table] where code = 'MCU0-3'
SELECT ID = IDENTITY(INT, 1, 1), price into #T2 from [table] where code = 'MCU3-15'
SELECT ID = IDENTITY(INT, 1, 1), price into #T3 from [table]
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SELECT NAME
from SALESREPS
WHERE HIRE_DATE<'01-JAN-88'
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SELECT CITY,SALES,TAGET
from SALESPEPS
WHERE SALES<0.8*TAGET ......
PL/SQL×î²îʵ¼ù
http://benben.javaeye.com/blog/278164
1. ³¬³¤µÄPL/SQL´úÂë
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Ö¢×´£º
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×¢£º³ö´¦ÒѲ»¿É¿¼£¬²»¹ý£¬ÆäÖв»ÉÙÓï¾ä»¹ÊÇÂù¾«ÃîµÄ¡£
Student(S#(ѧºÅ),Sname(ÐÕÃû),Sage(ÄêÁä),Ssex(ÐÔ±ð)) ѧÉú±í
Course(C#(¿Î³Ì±àºÅ),Cname(¿Î³ÌÃû³Æ),T#(ÀÏʦ±àºÅ)) ¿Î³Ì±í
SC(S#(ѧºÅ),C#(¿Î³Ì±àºÅ),score(·ÖÊý)) ³É¼¨±í
Teacher(T#(ÀÏʦ±àºÅ),TnameSname(ÐÕÃû)) ½Ìʦ±í
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1¡¢²éѯ“001” ......
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ÒøÐдæ¿î±í£¨bankMoney£©µÄÄÚÈÝÈçÏÂ
Id
userID
Sex
Money
001
Zhangsan
ÄÐ
30
002
Wangwu
ÄÐ
50
003
Zhangsan
ÄÐ
40
ÒªÇó1£º²éѯ±íbankMoneyµÄÄÚÈݵĴ洢¹ý³Ì
create procedure sp_query_bankMoney
as
select * from bankMoney
go
exec sp_query_bankMoney
×¢ ......