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EXCEL µ¼ÈëSQL SERVER´æ´¢¹ý³Ì

 set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER proc [dbo].[pr_xls_to_tb]
@path varchar(200),--EXCEL·¾¶Ãû
@tbName varchar(30),--±íÃû
@stName varchar(30) --excelÖÐÒª¶ÁµÄSHEETÃû
as
declare @sql varchar(500),--×îºóÒªÖ´ÐеÄSQL
@stName_Real varchar(35),--ÕæÕýµÄSHEETÃû
@drop_sql varchar(300) -- Èç¹û±íÒÑ´æÔÚ£¬ÏÈɾ³ý
set @stName_Real = '[' + @stName + '$]'
--set @path = 'C:\Inetpub\wwwroot\CarStock_ExcelWeb\Upload\CarStock\¹úóÆû³µ¿â´æ±í20090630.xls'
--set @tbName = 't32'
--set @stName = '[²»Á¼×ʲú$]'
set @sql =
'SELECT *
into '+ @tbName +'
from OpenDataSource(' + char(39)+ 'Microsoft.Jet.OLEDB.4.0' + char(39)+', '
+ char(39) +'Data Source=' + @path +';User ID=Admin;Password=;Extended properties=Excel 5.0;' + char(39)+')...'+@stName_Real
set @drop_sql = '
if exists(select * from sysobjects where name = ' + char(39) +@tbName + char(39)+')
begin
drop table '+@tbName+'
end '
--print @drop_sql
exec (@drop_sql)--ÏÈɾ³ý±í
exec (@sql)--ÔÙ´´½¨±í
/*
exec sp_configure 'show advanced options',1
reconfigure
exec sp_configure 'Ad Hoc Distributed Queries',1
reconfigure
*/

µ÷ÓÃ:
exec pr_xls_to_tb 'C:\Tools\Ô¤ËãÊý¾Ý\ys_200908.xls' ,'ys_200908_new' ,'Source'


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SQLÓï¾äPART8

PairWise subquery:
e.g.:
select * from wf_docsort where (ndocsortid,nmoduleinfoid)  in (select ndocsortid, nmoduleinfoid from wf_docsort where instr(cname,'ÎÄ')>0)
the above sql is the same function as:
select * from wf_docsort where ndocsortid = (select ndocsortid from wf_docsort where ......

linq to sqlÉú³Énot inÓï¾äµÄС¼¼ÇÉ

ÒÔǰһֱ¾õµÃlinq to sqlÉú³ÉÀàËÆwhere id not in (1,3,5)»òwhere id not in (select id from ...)ÕâÑùµÄÌõ¼þ²»ÊǺܷ½±ã£¬Ã¿´ÎÎÒ¶¼ÊǰÑÌõ¼þIDÊÂÏÈÈ¡µ½Ò»¸öÊý×éÀȻºóÓà !Arr.Contains(c.Id)ÕâÑù´¦Àí£¬½ñÌìͻȻ·¢ÏÖÕâÑùºÃɵ£¬Æäʵ¿ÉÒÔÍêȫֱ½ÓÓÃlinqд³ÉÒ»¾ä£¬Ìù¸öʾÀýÔÚÕâÀÒԺ󱸲é
from a in TableA where !(fr ......

sql serverÖÐinºÍexistsµÄÐ¡Çø±ð oracleδ²âÊÔ

in µÄ»°£¬ Èç¹ûÊÇnull ¾Í²»±È½ÏÁË£¬¼È²»ÊÇin Ò²²»ÊÇ not in
existsµÄ»° ÒòΪÓà = ¼ÓÔÚÌõ¼þÀï±È½ÏÁË£¬ËùÒÔ null ÊÇ not exists
select *
from pricetemp
where cast(ÉÌÆ·¥³ー¥É as varchar(10))not in(
           select shohin_cd
  &nbs ......

SQL ServerÖеÄͨÅä·û

ͨÅä·û_
"_"ºÅ±íʾÈÎÒâµ¥¸ö×Ö·û,¸Ã·ûºÅÖ»ÄÜÆ¥ÅäÒ»¸ö×Ö·û."_"¿ÉÒÔ·ÅÔÚ²éѯÌõ¼þµÄÈÎÒâλÖÃ,ÇÒÖ»ÄÜ´ú±íÒ»¸ö×Ö·û.Ò»¸öºº×ÖֻʹÓÃÒ»¸ö"_"±íʾ.
Àý×Ó£º
if PATINDEX('%[ß¹-×ö]%','ÐèÒªÅжϵÄ×Ö·û')>0 -- ÅжÏÊÇ·ñÓÐ×Ö·û
print 'Óкº×Ö'
else
print 'ÎÞºº×Ö'
ͨÅä·û%
"%"·ûºÅÊÇ×Ö·ûÆ¥Åä·û,ÄÜÆ¥Åä0¸ö»ò¸ü¶à×Ö·ûµÄÈÎÒⳤ¶ ......

ORACLEÖв鿴SQLÖ´Ðмƻ®µÄ·½·¨

 1.Ê×ÏÈÐèÒª½¨Á¢plan table,·ñÔò²»ÄÜʹÓÃ
½¨Á¢·½·¨£º
$oracle\rdbms\adminÏÂÓиö
utlxplan.sql
ÆäÄÚÈÝΪ:
create table PLAN_TABLE (
 statement_id  varchar2(30),
 timestamp     date,
 remarks       varchar2(80),
 operat ......
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