如何快速刪除名稱與patttern匹配的所有數據庫？

Question

我有很多數據庫，在我的SQL Server框中以前綴zzz開頭。

有沒有辦法做一個DROP DATABASE（或其他方法），將刪除和刪除數據文件？如果連接打開，我希望它關閉。

基本上我只是想讓他們不見了。

Answer 1

use master; 
go 

- 這將下降，與T5開頭的所有DBS ....

declare @strsql varchar(500) 
declare @curname sysname 
select @curname = name from sys.databases 
where name like 't5%' 

while(@@rowcount> 0) 
begin 
set @strsql ='ALTER DATABASE ' +@curname +' SET OFFLINE WITH ROLLBACK IMMEDIATE' 
exec (@strsql) 
set @strsql ='drop database '+@curname 
exec (@strsql) 
select @curname = name from sys.databases 
where name like 't5%' 
end 

Answer 2

你可以寫一個動態SQL做到這一點：

use master 
go 
declare @dbnames nvarchar(max) 
declare @statement nvarchar(max) 
declare @closeconnection nvarchar(max) 
set @dbnames = '' 
set @statement = '' 
select @dbnames = @dbnames + ',[' + name + ']' from sys.databases where name like 'zzz%' 
if len(@dbnames) = 0 
    begin 
    print 'no databases to drop' 
    end 
else 
    BEGIN 
    SET @closeconnection = 'alter database ' + substring(@dbnames, 2, len(@dbnames)) 
          + ' SET SINGLE_USER WITH ROLLBACK IMMEDIATE' 
    set @statement = 'drop database ' + substring(@dbnames, 2, len(@dbnames)) 
    print @statement 
    EXEC sp_executesql @closeconnection; 
    exec sp_executesql @statement; 
    end 

通常情況下，語法收於數據庫中的所有活動的連接是：

--set it to single user to disable any other connections 
ALTER DATABASE YourDatabase SET SINGLE_USER WITH ROLLBACK IMMEDIATE 

--do your stuff here 

--set it back to multiple users 
ALTER DATABASE YourDatabase SET MULTI_USER 

或者，你也可以生成一個動態選擇列表，填充您的drop database語句以及像這樣的關閉連接語句：

USE master; 
Go 
SELECT 'DROP DATABASE '+ name, 
     'alter database ' + name + ' SET SINGLE_USER WITH ROLLBACK IMMEDIATE' 
FROM sys.databases WHERE name like 'zzz%'; 
GO 

禮貌：@SeriousM and OFH

Answer 3

生成一個腳本下降，複製/粘貼&運行：

exec master.sys.sp_msforeachdb 'if ''?'' like ''ZZZ%'' print ''drop database [?]''' 

或直接在SQL字符串，如果你勇敢的下降。

Answer 4

我修改本傑明的腳本了一點，所以你只需要一次申報的前綴。

use master; 
declare @dbPrefix varchar(10) 
set @dbPrefix = 'zzz_%'; 

declare @strsql varchar(500) 
declare @curname sysname 
select @curname = name from sys.databases 
where name like @dbPrefix 

while(@@rowcount> 0) 
    begin 
     set @strsql ='ALTER DATABASE ' +@curname +' SET SINGLE_USER WITH ROLLBACK IMMEDIATE' 
     exec (@strsql) 
     set @strsql ='drop database '+@curname 
     exec (@strsql) 
     select @curname = name from sys.databases 
     where name like @dbPrefix 
    end