清除所有表數據

Declare @t table(query varchar(2000),tables varchar(100))  
Insert into @t 
    select 'Truncate table ['+T.table_name+']', T.Table_Name from INFORMATION_SCHEMA.TABLES T  
    left outer join INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC  
    on T.table_name=TC.table_name  
    where (TC.constraint_Type ='Foreign Key' or TC.constraint_Type is NULL) and 
    T.table_name not in ('dtproperties','sysconstraints','syssegments') and 
    Table_type='BASE TABLE' 
Insert into @t 
    select 'delete from ['+T.table_name+']', T.Table_Name from INFORMATION_SCHEMA.TABLES T  
        left outer join INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC  
       on T.table_name=TC.table_name where TC.constraint_Type ='Primary Key' and T.table_name <>'dtproperties'and Table_type='BASE TABLE' 
Declare @sql varchar(8000)  
Select @sql=IsNull(@sql+' ','')+ query from @t 
print(@sql)  
Exec(@sql)