SQL²éѯÅÅÐòORDER BY
order by
ÅÅÐòͨ¹ýorder by×Ó¾äʵÏÖ£¬order byÔÚSELECTÓï¾äµÄ×îºó¡£
Óï·¨£º
order by field1 [ASC|DESC][,field2 [ASC|DESC],..,fieldn [ASC|DESC]]
ASC£ºÉýÐò
DESC£º½µÐò
ĬÈÏΪÉýÐò
¿ÕÖµ×÷ΪÎÞÇî´óÀ´´¦Àí¡£
ÁíÍâ¿ÉÒÔ°´ÕÕ²éѯÁбíÖÐÐòºÅ½øÐÐÅÅÐò¡£
ϵͳÔÚÓû§Ð´³ö²éѯÁбíµÄͬʱ¾Í¸³Óèÿ¸öÁÐÃûÒ»¸öÐòºÅ£¬ÉýÐò¸³Ó裬´Ó1¿ªÊ¼¡£
Àý£ºSELECT name,phone,adress from user
ÆäÖÐnameÐòºÅΪ1£¬adressÐòºÅΪ2£¬ÆäËûÒÀ´ÎÀàÍÆ¡£
ʾÀý£º
SQL> select deptno,dname,loc from mydept order by 3;
°´loc×Ö¶ÎÉýÐòÅÅÁÐ
Ïà¹ØÎĵµ£º
ALTER FUNCTION [dbo].[fun_tongji]()
RETURNS @t1 table (
yue int ,
money int
)
AS
begin
Declare @i int
set @i=1
-- declare @t1 table (
-- yue int ,
-- money int
-- )
while (@i<=12)&n ......
SQL Server Out Put Excel File
ÔÚ SQL ServerÖÐ, µ¼³öEXCEL Îļþ, Óõ½ bcp.exe
bcp µ¼³öµÄ±¾ÖÊÊÇ´¿Îı¾Îĵµ,
ÈôÊý¾Ýº¬ÓÐÖÐÎÄ,Çëµ¼³öµ½ÖÐÎİæEXCEL,»òTXTÎĵµµÈ, ·ñÔòÂÒÂë....
ÓÃTXT ´ò¿ªÓ¢ÎİæEXCEL,Ò²¿ÉÒÔ,
µ¼³ö Êý¾Ýµ½C:\authors.xls, ÈôÎļþ´æÔÚÔòÖØÐ´Îļþ, ²»´æÔÚÔò´´½¨Îļþ
  ......
sql ´úÂë:
---------------------------------------------------------
/*
a ±íÃû
Èç¹ûÔÚsql ²éѯ·ÖÎöÆ÷µ±ÖгöÏÖ
" SQL Server ×èÖ¹Á˶Ô×é¼þ 'xp_cmdshell' µÄ ¹ý³Ì'sys.xp_cmdshell' µÄ·ÃÎÊ£¬ÒòΪ´Ë×é¼þÒÑ×÷Ϊ´Ë·þÎñÆ÷°²È«ÅäÖõÄÒ»²¿·Ö¶ø±»¹Ø± ......
db2 µ÷ÓÃsql½Å±¾³£ÓÃÃüÁdb2 -tf d:\creat_table.sql Óë db2 -td$ -f d:\creat_table.sql
db2 -tf d:\creat_table.sql µ÷Óýű¾ÃüÁîÊÇddl²Ù×÷
µ±Óöµ½sqlÓï¾ä¹ý³¤£¬»òÌáʾ DB21007E ¶ÁÈ¡¸ÃÃüÁîʱÒѵ½´ïÎļþĩβ¡£¾ÍʹÓà db2 -td$ -f d:\creat_table.sql ÃüÁî
ʹÓøÄÃüÁîÐèÒªÔÚsql½Å±¾ÖÐÒÔ$½áÊ ......
Questions
I have a simple app that
uses an SQL Express 2005 database. When the user closes the app, I want
to give the option to back up the database by making a copy in another
directory. However, when I try to do it, I get "The process cannot
access the file '...\Pricing.MDF' because i ......