sqlÊý×ÖתӢÎÄ
create function decodehundred(@hundredstring varchar(300) )
returns varchar(1000)
as
begin
declare @tmp varchar(1000),@decodehundred varchar(1000)
set @decodehundred = ''
declare @strno1 varchar(1000)
select @strno1 = 'One Two Three Four Five ' +
'Six Seven Eight Nine Ten ' +
'Eleven Twelve Thirteen Fourteen Fifteen '+
'Sixteen Seventeen Eighteen Nineteen '
declare @strtens1 varchar(1000)
set @strtens1 = 'Ten Twenty Thirty Forty Fifty ' +
'Sixty Seventy Eighty Ninety '
declare @unit4 varchar(10)
set @unit4 = 'Hundred'
if len(@hundredstring) > 0 and len(@hundredstring) <= 3
begin
if len(@hundredstring) = 1
begin
set @tmp = cast(@hundredstring as int)
if @tmp <> 0
set @decodehundred =
&
Ïà¹ØÎĵµ£º
---Ò»¸öÔµĵÚÒ»Ìì
SELECT DATEADD(mm, DATEDIFF(mm,0,getdate()), 0)
--- ±¾ÖܵÄÐÇÆÚÒ»
SELECT DATEADD(wk, DATEDIFF(wk,0,getdate()), 0)
---Ò»ÄêµÄµÚÒ»Ìì
SELECT DATEADD(yy, DATEDIFF(yy,0,getdate()), 0)
----¼¾¶ÈµÄµÚÒ»Ìì
SELECT DATEADD(qq, DATEDIFF(qq,0,getdate()), 0)
----ÉϸöÔµÄ×îºóÒ»Ìì
......
--¾ÛºÏº¯Êý
use pubs
go
select avg(distinct price) --ËãÆ½¾ùÊý
from titles
where type='business'
go
use pubs
go
select max(ytd_sales) --×î´óÊý
from titles
go
use pubs
go
select min(ytd_sales) --×îÐ¡Ê ......
--´´½¨±íTongXunLu
CREATE TABLE TongXunLu
(
[tName] nvarchar(30),
[tAddress] nvarchar(50),
[tEmail] varchar(50)
)
--´´½¨±í students
CREATE TABLE students
(
[sId] int IDENTITY (1, 1) primary key NOT NULL ,
[sName] varchar (50) NOT ......
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