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1 ¶ÔÓÚÖ÷¼üÉèÖÃÁËIdentityµÄ±í£¬ÔÚɾ³ý±íÖÐÊý¾ÝºóÔÙÍù±íÖвåÈëÊý¾Ý£¬IdentityÁв»ÊÇ´Ó1ÆðʼÁË£¬Èç¹ûÏëɾ³ýÊý¾ÝºóIndentityÁÐÈÔ´Ó1Æðʼ£¬¿ÉÒÔÓÃÏÂÃæ´úÂëÀ´É¾³ýÊý¾Ý¡£
truncate table tablename
DBCC CHECKIDENT(tablename,RESEED,1)
2 ÅжÏÖ¸¶¨±íÔÚÊý¾Ý¿âÖÐÊÇ·ñ´æÔÚ
if exists(select name from sysobjects where name='tablename' and type='u')
3 ÅжÏÖ¸¶¨ÁÐÔÚÖ¸¶¨±íÖÐÊÇ·ñ´æÔÚ
if exists(select * from sys.columns,sys.tables
where sys.columns.object_id = sys.tables.object_id
and sys.tables.name='tablename' and sys.columns.[name]='columnname')
4 ÔÚ±àд´úÂëÉú³ÉÆ÷Ö®ÀàµÄ³ÌÐòµÄʱºò£¬Í¨³£ÐèҪȡ³öÊý¾Ý¿âÖÐËùÓеıíÃûÒÔ¼°±íÖÐ×ֶεÄһЩ»ù±¾ÐÅÏ¢£¬Èç×ֶγ¤¶È¡¢×Ö¶ÎÀàÐÍ¡¢ÃèÊöµÈ¡£ÊµÏÖÉÏÃæÒªÇóµÄsqlÓï¾äÈçÏ£º
--È¡Êý¾Ý¿âÖбíµÄ¼¯ºÏ
select * from sysobjects where xtype='u' order by name
--È¡±íÖÐ×ֶεÄһЩ»ù±¾ÐÅÏ¢
select
sys.columns.name, --×Ö¶ÎÃû
sys.types.name as typename, --×Ö¶ÎÀàÐÍ
sys.columns.max_length, --×ֶ㤶È
sys.columns.is_nullable, --ÊÇ·ñ¿É¿Õ
(select
count(*)
from
sys.identity_columns
where
sys.identity_columns.object_id = sys.columns.object_id
and
sys.columns.column_id = sys.identity_columns.column_id
) as is_identity ,--ÊÇ·ñ×ÔÔö
(select
value
from
sys.extended_properties
where
sys.extended_properties.major_id = sys.columns.object_id
and
sys.extended_properties.minor_id = sys.columns.column_id
) as description --×¢ÊÍ
from
sys.columns, sys.tables, sys.types
where
sys.columns.object_id = sys.tables.object_id
and
sys.columns.system_type_id=sys.types.system_type_id
and
sys.tables.name='tablename'
order by sys.columns.column_id
5 ÔÚ´æ´¢¹ý³ÌÖÐʹÓÃÊÂÎñ
create procedure procname
as
begin tran
--Ö´ÐÐsqlÓï¾ä
if @@ERROR!=0
begin


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ÆäËû½â¾ö·½·¨1£¨ÏÞ´ÓÖ¸¶¨IP½ÓÈëµÄ¿Í»§¶Ë£©
Èç¹ûʹ ......

SQLServerÖеÄÑ­»·Åú´¦Àí

if (object_id ('t' ) is not null ) drop table t
go
create table t (id int identity (1 , 1 ), name varchar (40 ))
go
insert into t (name ) select newid ()
go 10
select * from t
/*
1    18C1C418-9029-4599-8D5E-616354A113C8
2    A0FE1177-09D8-4C56-9FB5-C2FA ......

sqlserverÖÐÅжϱíÊÇ·ñ´æÔÚ

ÔÚsqlserver(Ó¦¸Ã˵ÔÚÄ¿Ç°ËùÓÐÊý¾Ý¿â²úÆ·)Öд´½¨Ò»¸ö×ÊÔ´Èç±í£¬ÊÓͼ£¬´æ´¢¹ý³ÌÖж¼ÒªÅжÏÓë´´½¨µÄ×ÊÔ´ÊÇ·ñÒѾ­´æÔÚ
ÔÚsqlserverÖÐÒ»°ã¿Éͨ¹ý²éѯsys.objectsϵͳ±íÀ´µÃÖª½á¹û£¬²»¹ý¿ÉÒÔÓиü·½±ãµÄ·½·¨
ÈçÏ£º
    if   object_id('tb_table') is not null 
     ......

aspÁ¬sqlserver²âÊÔ´úÂë

<%
Dim Conn, Connstr
Dim strServer, strUid, strPwd, strDB
strServer = "HUA-5780C2D1CCF"        'SQLÊý¾Ý¿â·þÎñÆ÷µØÖ·
strUid = "sa"                'Êý¾Ý¿âÓû§Ãû
strPwd = "123456"  ......

SQLServerϵͳ´æ´¢¹ý³Ì

sp_databases --Áгö·þÎñÆ÷ÉϵÄËùÓÐÊý¾Ý¿â
sp_server_info --Áгö·þÎñÆ÷ÐÅÏ¢£¬Èç×Ö·û¼¯£¬°æ±¾ºÍÅÅÁÐ˳Ðò
sp_stored_procedures--Áгöµ±Ç°»·¾³ÖеÄËùÓд洢¹ý³Ì
sp_tables --Áгöµ±Ç°»·¾³ÖÐËùÓпÉÒÔ²éѯµÄ¶ÔÏó
sp_start_job --Á¢¼´Æô¶¯×Ô¶¯»¯ÈÎÎñ
sp_stop_job --Í£Ö¹ÕýÔÚÖ´ÐеÄ×Ô¶¯»¯ÈÎÎñ
sp_password --Ìí¼Ó»òÐ ......
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