ÈçºÎÓÐЧµÄ·ÀÖ¹SQLÁ¬½Ó×Ö·û´®×¢Èë
¸ÅÄÔÚ±àд°²È«´úÂëʱ£¬×îÖØÒªµÄ¹æÔòÖ®Ò»¾ÍÊÇ“¾ø¶Ô²»ÒªÃ¤Ä¿µÄÏàÐÅÓû§µÄÊäÈ딡£
ÀûÓÃADO.NET 2.0µÄSqlConnectionStringBuilderÀàÉú³ÉÊý¾Ý¿âÁ¬½Ó×Ö·û´®£¬Ëü¿ÉÒÔÓÐЧµÄ·ÀÖ¹“SQLÁ¬½Ó×Ö·û´®¶ñÒâ×¢È딣¬ÒòΪÕâ¸öÀàÊÇרÃÅΪSQL SERVERÉè¼ÆµÄËùÒÔ£»Ëü¼æÈݾÉʽ¹Ø¼ü×Ö¡£¹ØÓÚÈçºÎʹÓÃSqlConnectionStringBuilderÀ࣬Çë²Î¿¼ÎÒÒÔǰдµÄһƪ“ÖÇÄÜÊý¾Ý¿âÁ¬½ÓÉú³ÉÆ÷”ÎÄÕÂÀï¡£
·ÀÖ¹SQLÊý¾Ý¿âÁ¬½Ó×Ö·û´®Ê¾Àý
C#ºǫ́ʾÀý´úÂ룺
SqlConnectionStringBuilder bldr = new SqlConnectionStringBuilder();
bldr.DataSource = @".\SQLExpress";
bldr.InitialCatalog = "Pubs";
bldr.UserID = textBox1.Text;
bldr.Password = textBox2.Text;
¸Õ²Å¿´µ½Ç°Ì¨Óû§ÔÚÓû§ÃûÊäÈëµÄÓû§Ãû×Ö·û´®£¬¾ÍÊǶñÒâSQL×¢È룬¶øSqlConnectionStringBuilder»á°Ñ
“Óû§Ãû£»Data Source=Northwind”µÄ×Ö·û´®×÷Ϊ“UesrID”À´µÇ¼Êý¾Ý¿â¡£Õâ¾Í·ÀÖ¹¶ñÒâµÄ×¢ÈëÁË¡£
×îºóÏ£ÍûÄܺÍ־ͬµÀºÏµÄ¿ª·¢Í¬Ö¾£¬Ò»Æðѧϰ£¬Ò»Æð·ÖÏí¡£Ð»Ð»
ÍÆ¼öÁ´½Ó:»ÝÆÕºÚ°×¼¤¹â´òÓ¡»ú/°®ÆÕÉúÕëʽ´òÓ¡»ú
Ïà¹ØÎĵµ£º
ÓÐЩʱºòÎÒÃÇÐèÒª²éѯÊý¾Ý¿âÖеÄʱ¼ä×ֶΣ¬ÀýÈç2009-11-11 11:11:11:111 ÕâÑùµÄʱ¼ä¸ñʽ¡£
¶øÎÒÃÇÓÐЩʱºò²»ÓðÑÕû¸öµÄ×ֶβéѯ³öÀ´£¬ÐèÒª°ÑÇ°ÃæµÄÈÕÆÚ½ØÈ¡³öÀ´£¬»òÕ߰ѺóÃæµÄʱ¼ä½ØÈ¡³öÀ´¡£
Õâ¸öʱºò¾ÍÒªÓõ½SQLÀïÃæµÄʱ¼äº¯ÊýÁË£º
select convert(char(10),×Ö¶ÎÃû,108) from ±íÃû
ÉÏÊöÓï¾äÊǽ«ºóÃæµÄʱ¼ä²éѯ³öÀ´£¬¸ñ ......
×÷ΪһÃûDBA£¬ËûÃÇ×î³£¼ûµÄÈÕ³£ÈÎÎñÊÇ£º
1£©¶¨ÆÚÍê³ÉÊý¾Ý¿âµÄÍêÈ«±¸·Ý»ò²îÒ챸·Ý¡£
2£©¶¨ÆÚÇåÀí±¸·ÝÎļþ£¬ÒòΪ´æ´¢¿Õ¼äÓÐÏÞ£¬¿ÉÄÜÖ»ÐèÒª±£´æÒ»¸öʱÆÚ¶ÎÄÚµÄÎļþ(±ÈÈçÒ»ÖÜÄÚ»òÒ»ÔÂÄÚ)¡£
¶øÈçºÎ×öµ½ÕâÁ½µãÄØ£¿±ÊÕßÏàÐÅÔÚSQL SERVER2005°æ±¾³öÀ´Ö®Ç°ÒªÊµÏÖÕâÖÖ¹¦ÄÜ£¬ Ò²ÊÇ¿ÉÒÔʵÏֵģ¬Ö»ÊÇʵÏÖ¶¨ÆÚÇåÀí±¸·ÝÎļþÏԵò»ÄÇôֱ ......
SqlÓï¾ä
1. ˵Ã÷£º¸´ÖƱí(Ö»¸´Öƽṹ£¬Ô´±íÃû£ºa£¬Ð±íÃû£ºb) SQL:select * into bfrom awhere 1<>1;
2. ˵Ã÷£º¿½±´± ......
Ó¦ÓÃʾÀý£º
-- ´´½¨2¸ö²âÊÔ±í
CREATE TABLE [dbo].[Table_2019]([Data] [nchar](2019) NOT NULL)
CREATE TABLE [dbo].[Table_2020]([Data] [nchar](2020) NOT NULL)
go
-- Ìî³äÊý¾Ý
declare @i int
set @i = 0
while(@i < 20)
begin
insert Table_2019(Data) values('')
  ......
drop table #Tmp --ɾ³ýÁÙʱ±í#Tmp
create table #Tmp --´´½¨ÁÙʱ±í#Tmp
(
ID int IDENTITY (1,1) not null, --´´½¨ÁÐID,²¢ÇÒÿ´ÎÐÂÔöÒ»Ìõ¼Ç¼¾Í»á¼Ó1
WokNo &nb ......