Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

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

Sqlº¯Êý´óÈ«

---·µ»Ø±í´ïʽÖÐÖ¸¶¨×Ö·ûµÄ¿ªÊ¼Î»ÖÃ
select charindex('c','abcdefg',1)
---Á½¸ö×Ö·ûµÄÖµÖ®²î
select difference('bet','bit')
---×Ö·û×î×ó²àÖ¸¶¨ÊýÄ¿
select left('abcdef',3)
---·µ»Ø×Ö·ûÊý
select len('abcdefg')
--ת»»ÎªÐ¡×Ö·û
select lower('ABCDEFG')
--È¥×ó¿Õ¸ñºó
select ltrim('   &nbs ......

SQL Server 2008 ×èÖ¹±£´æÒªÇóÖØÐ´´½¨±íµÄ¸ü¸Ä


MS SQL Server 2008 ÔÚ½¨Íê±íºó£¬Èç¹ûÒª²åÈëÈÎÒâÁУ¬ÔòÌáʾ£º
µ±Óû§ÔÚÔÚSQL Server 2008ÆóÒµ¹ÜÀíÆ÷Öиü¸Ä±í½á¹¹Ê±£¬±ØÐëÒªÏÈɾ³ýÔ­À´µÄ±í£¬È»ºóÖØÐ´´½¨ÐÂ±í£¬²ÅÄÜÍê³É±íµÄ¸ü¸Ä£¬Èç¹ûÇ¿Ðиü¸Ä»á³öÏÖÒÔÏÂÌáʾ£º²»ÔÊÐí±£´æ¸ü¸Ä¡£ÄúËù×öµÄ¸ü¸ÄÒªÇóɾ³ý²¢ÖØÐ´´½¨ÒÔÏÂ±í¡£Äú¶ÔÎÞ·¨ÖØÐ´´½¨µÄ±ê½øÐÐÁ˸ü¸Ä»òÕ߯ôÓÃÁË“× ......

¼òµ¥µ«ÓÐÓõÄSQL½Å±¾

ÐÐÁÐת»»
create table test(id int,name varchar(20),quarter int,profile int)
insert into test values(1,'a',1,1000)
insert into test values(1,'a',2,2000)
insert into test values(1,'a',3,4000)
insert into test values(1,'a',4,5000)
insert into test values(2,'b',1,3000)
insert into test values(2, ......

What Is SQL?

What Is SQL?
SQL (pronounced as the letters S-Q-L or as sequel) is an abbreviation for Structured Query Language. SQL is a language designed specifically for communicating with databases.
Unlike other languages (spoken languages like English, or programming languages like Java or Visual Basic), SQ ......

SQL·ÖÒ³Óï¾ä

ÓйطÖÒ³ SQL µÄ×ÊÁϺܶ࣬ÓеÄʹÓô洢¹ý³Ì£¬ÓеÄʹÓÃÓαꡣ±¾È˲»Ï²»¶Ê¹ÓÃÓα꣬ÎÒ¾õµÃËüºÄ×Ê¡¢Ð§Âʵͣ»Ê¹Óô洢¹ý³ÌÊǸö²»´íµÄÑ¡Ôñ£¬ÒòΪ´æ´¢¹ý³ÌÊǾ­¹ýÔ¤±àÒëµÄ£¬Ö´ÐÐЧÂʸߣ¬Ò²¸üÁé»î¡£ÏÈ¿´¿´µ¥Ìõ SQL Óï¾äµÄ·ÖÒ³ SQL °É¡£
·½·¨1£º
ÊÊÓÃÓÚ SQL Server 2000/2005
SELECT TOP Ò³´óС *
from tab ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ