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ÔÚsqlserverÖÐÒ»°ã¿Éͨ¹ý²éѯsys.objectsϵͳ±íÀ´µÃÖª½á¹û£¬²»¹ý¿ÉÒÔÓиü·½±ãµÄ·½·¨
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    if   object_id('tb_table') is not null 
        print 'exist'
    else
        print'not exist'
ÈçÉÏ£¬¿ÉÓÃobject_id()À´¿ìËÙ´ïµ½ÏàͬµÄÄ¿µÄ£¬tb_table¾ÍÊÇÎÒ½«Òª´´½¨µÄ×ÊÔ´µÄÃû³Æ£¬ËùÒÔÒªÏÈÅжϵ±Ç°Êý¾Ý¿âÖв»´æÔÚÏàͬµÄ×ÊÔ´
object_id()¿É½ÓÊÜÁ½¸ö²ÎÊý£¬µÚÒ»¸öÈçÉÏËùʾ£¬´ú±í×ÊÔ´µÄÃû³Æ£¬ÉÏÃæµÄ¾ÍÊDZíµÄÃû×Ö£¬µ«ÍùÍùÎÒÃÇҪ˵Ã÷ÎÒÃÇËùÒª´´½¨µÄÊÇʲôÀàÐ͵Ä×ÊÔ´£¬
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    if   object_id('tb_table','u') is not null 
        print 'exist'
    else
        print'not exist'
µÚ¶þ¸ö²ÎÊý "u" ¾Í±íʾtb_tableÊÇÓû§´´½¨µÄ±í£¬¼´£ºUSER_TABLEµØÊ××Öĸ¼òд
²éѯsys.objectsÖпɵõ½¸÷ÖÖ×ÊÔ´µÄÀàÐÍÃû³Æ(TYPEÁÐ)£¬ÕâÀïÖ®¾Ù¼¸¸öÖ÷ÒªµÄÀý×Ó
u  -----------  Óû§´´½¨µÄ±í£¬Çø±ðÓÚϵͳ±í(USER_TABLE)
s  -----------  ϵͳ±í(SYSTEM_TABLE)
v  -----------  ÊÓͼ(VIEW)
p  -----------  ´æ´¢¹ý³Ì(SQL_STORED_PROCEDURE)
¿ÉʹÓÃselect distinct type ,type_desc from sys.objects »ñµÃÈ«²¿ÐÅÏ¢
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1.»ñÈ¡ËùÓÐÊý¾Ý¿âÃû:
SELECT Name from Master..SysDatabases ORDER BY Name
2.»ñÈ¡ËùÓбíÃû:
SELECT Name from DatabaseName..SysObjects Where XType='U' ORDER BY Name
XType='U':±íʾËùÓÐÓû§±í;
XType='S':±íʾËùÓÐϵͳ± ......

SqlServer ʵÏÖÈÕÆÚ²»Í¬¸ñʽµÄת»»£¡£¡

select
convert(char(4),auth,120)+'Äê'+
substring(convert(char(10),auth,120),6,2)+'ÔÂ'+
substring(convert(char(10),auth,120),9,2)+'ÈÕ',
convert(char(4),appr,120)+'Äê'+
substring(convert(char(10),appr,120),6,2)+'ÔÂ'+
substring(convert(char(10),appr,120),9,2)+'ÈÕ'
from a

ÒÔÉÏ´úÂëʵÏֵĹ¦Ä ......

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Microsoft SQLServer 2005 Integration Services Step by Step

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openrowsetµÄÓ÷¨¿ÉÒԲο¼msdn
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if (object_id ('t_bulkResult' ) is   not   null )
drop table t_bulkResult ......

SQLServer»ñÈ¡ExcelÖÐËùÓÐSheet

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use tempdb
go
if (object_id ('udf_getExcelTableNames' ) is not null )
    drop function dbo .udf_getExcelTableNames
go
create function udf_getExcelTableNames (@filename varchar (1000 ))
returns @t table (id int , name varchar ( ......
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