【问题标题】:Drop all objects in SQL DB?删除 SQL DB 中的所有对象?
【发布时间】:2010-12-07 08:05:15
【问题描述】:

有没有人有一个脚本可以删除 SQL Server 数据库中的所有对象?

我目前无权在服务器上删除和创建数据库,所以我正在寻找一个脚本来带我回到“第一方”

我在网上看到过一些,但他们没有按正确的顺序做事,或者他们没有删除所有内容。

【问题讨论】:

  • 很难得到一个 100% 正确的订单 - 特别是如果您有使用 SCHEMABINDING 的视图和函数。
  • Damien 是对的,您需要一个解析器来正确识别外键、计算列、视图、触发器、存储过程和函数中的所有对象名称,以便构建使用正确顺序的脚本。因此,仅使用 T-SQL 是不可能的;但是外部解析器(例如在我发布的答案中)可以正确解析和解析所有依赖项,以便以正确的顺序创建正确的 drop 语句。
  • @Barry,我会测试一下。我想以前可能有人问过这个问题,但是在浏览了 5 页 SO 搜索结果之后,我什么也没想到。 @d_t_u,关于订购的观点
  • 如果您无权在服务器上删除和重新创建数据库,则不应执行此任务。将其提供给拥有正确权利的人或让您的组织将其分配给您。如果你在我的服务器上没有这些权利,而你这样做是为了绕过限制(这是有原因的),我会解雇你。

标签: sql-server database sql-server-2005 tsql sql-server-2008


【解决方案1】:

如果您使用架构,您可能会发现以下脚本很有用:

SET NOCOUNT ON;

DECLARE @OnlyInSchema sysname;
-- Set this to a value to only drop objects in one schema.
-- SET @OnlyInSchema = N'';

DECLARE @Commands TABLE (
    [Description]   NVARCHAR(MAX),
    [Line]          NVARCHAR(MAX)
);

DECLARE @Drops TABLE (
    [Type]          NVARCHAR(2),
    [Template]      NVARCHAR(MAX)
);

-- -- -- -- -- OBJECTS NOT ASSOCIATED WITH TABLES -- -- -- -- --
INSERT INTO @Drops
SELECT N'AF', N'DROP AGGREGATE $S.$O;' UNION
SELECT N'FN', N'DROP FUNCTION $S.$O;' UNION
SELECT N'FS', N'DROP FUNCTION $S.$O;' UNION
SELECT N'FT', N'DROP FUNCTION $S.$O;' UNION
SELECT N'IF', N'DROP FUNCTION $S.$O;' UNION
SELECT N'P', N'DROP PROCEDURE $S.$O;' UNION
SELECT N'SN', N'DROP SYNONYM $S.$O;' UNION
SELECT N'SQ', N'DROP QUEUE $S.$O;' UNION
SELECT N'TR', N'DROP TRIGGER $S.$O;' UNION
SELECT N'TT', N'DROP TYPE $S.$O;' UNION
SELECT N'TF', N'DROP FUNCTION $S.$O;';

INSERT INTO @Commands
SELECT  QUOTENAME(RTRIM([S].[name])) + '.' + QUOTENAME(RTRIM([O].[name])),
        REPLACE(REPLACE([D].[Template], '$S', QUOTENAME(RTRIM([S].[name]))), '$O', QUOTENAME(RTRIM([O].[name])))
    FROM [sys].[objects] AS [O]
        INNER JOIN [sys].[schemas] AS [S] ON [O].[schema_id] = [S].[schema_id]
        INNER JOIN @Drops AS [D] ON [O].[type] COLLATE Latin1_General_CS_AS = [D].[Type] COLLATE Latin1_General_CS_AS
        WHERE (@OnlyInSchema IS NULL OR [S].[name] COLLATE Latin1_General_CS_AS = @OnlyInSchema)
          AND [S].[name] COLLATE Latin1_General_CS_AS <> 'sys'
          AND [O].[is_ms_shipped] = 0;

-- -- -- -- -- OBJECTS ASSOCIATED WITH TABLES -- -- -- -- --
DELETE FROM @Drops;
INSERT INTO @Drops
SELECT N'C', N'ALTER TABLE $TS.$TO DROP CONSTRAINT $O;' UNION
SELECT N'D', N'ALTER TABLE $TS.$TO DROP CONSTRAINT $O;' UNION
SELECT N'F', N'ALTER TABLE $TS.$TO DROP CONSTRAINT $O;' UNION
SELECT N'PK', N'ALTER TABLE $TS.$TO DROP CONSTRAINT $O;';

INSERT INTO @Commands
SELECT  QUOTENAME(RTRIM([S].[name])) + '.' + QUOTENAME(RTRIM([PO].[name])) + '::' + QUOTENAME(RTRIM([O].[name])),
        REPLACE(REPLACE(REPLACE([D].[Template], '$TS', QUOTENAME(RTRIM([S].[name]))), '$O', QUOTENAME(RTRIM([O].[name]))), '$TO', QUOTENAME(RTRIM([PO].[name])))
    FROM [sys].[objects] AS [O]
        INNER JOIN [sys].[objects] AS [PO] ON [O].[parent_object_id] = [PO].[object_id]
        INNER JOIN [sys].[schemas] AS [S] ON [PO].[schema_id] = [S].[schema_id]
        INNER JOIN @Drops AS [D] ON [O].[type] COLLATE Latin1_General_CS_AS = [D].[Type] COLLATE Latin1_General_CS_AS
        WHERE (@OnlyInSchema IS NULL OR [S].[name] COLLATE Latin1_General_CS_AS = @OnlyInSchema)
          AND [S].[name] COLLATE Latin1_General_CS_AS <> 'sys'
          AND [O].[is_ms_shipped] = 0;

-- -- -- -- -- ACTUAL DROP -- -- -- -- --
DELETE FROM @Drops;
INSERT INTO @Drops
SELECT N'U', N'DROP TABLE $S.$O;' UNION
SELECT N'V', N'DROP TABLE $S.$O;';

INSERT INTO @Commands
SELECT  QUOTENAME(RTRIM([S].[name])) + '.' + QUOTENAME(RTRIM([O].[name])),
        REPLACE(REPLACE([D].[Template], '$S', QUOTENAME(RTRIM([S].[name]))), '$O', QUOTENAME(RTRIM([O].[name])))
    FROM [sys].[objects] AS [O]
        INNER JOIN [sys].[schemas] AS [S] ON [O].[schema_id] = [S].[schema_id]
        INNER JOIN @Drops AS [D] ON [O].[type] COLLATE Latin1_General_CS_AS = [D].[Type] COLLATE Latin1_General_CS_AS
        WHERE (@OnlyInSchema IS NULL OR [S].[name] COLLATE Latin1_General_CS_AS = @OnlyInSchema)
          AND [S].[name] COLLATE Latin1_General_CS_AS <> 'sys'
          AND [O].[is_ms_shipped] = 0;

-- -- -- -- -- TABLES -- -- -- -- --
DECLARE @Description NVARCHAR(MAX);
DECLARE @Message NVARCHAR(MAX);
DECLARE @Command NVARCHAR(MAX);
DECLARE CommandCursor CURSOR FOR 
    SELECT [Description], [Line] FROM @Commands;

OPEN CommandCursor;
FETCH NEXT FROM CommandCursor INTO @Description, @Command;

WHILE @@FETCH_STATUS = 0
BEGIN

    SET @Message = N'Dropping ' + @Description + '...';
    PRINT @Message;

    BEGIN TRY
        EXEC sp_executesql @Command;
    END TRY
    BEGIN CATCH
        SET @Message = N'Failed to drop ' + @Description + ':';
        PRINT @Message;
        PRINT ERROR_MESSAGE()
    END CATCH

    FETCH NEXT FROM CommandCursor INTO @Description, @Command;
END

CLOSE CommandCursor;
DEALLOCATE CommandCursor;

【讨论】:

  • 谢谢!但是,即使我在您的查询中看到“V”,视图似乎也没有被删除。你知道怎么解决吗?
  • @electrotype 只需将SELECT N'V', N'DROP VIEW $S.$O;' UNION 添加到联合块部分“与表无关的对象”,它就会为您删除视图。
【解决方案2】:

我在“http://kashyapmakadia.blogspot.com/2009/08/drop-everything-in-sql-server-2005.html”上找到了这段代码并尝试了它,它只是找到了!你可以在那里找到代码,但如果你赶时间,代码是:


    /* Drop all non-system stored procs */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Procedure: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 AND [name] > @name ORDER BY [name])
END
GO
/* Drop all views */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'V' AND category = 0 ORDER BY [name])
WHILE @name IS NOT NULL
BEGIN
SELECT @SQL = 'DROP VIEW [' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped View: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'V' AND category = 0 AND [name] > @name ORDER BY [name])
END
GO
/* Drop all functions */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] IN (N'FN', N'IF', N'TF', N'FS', N'FT') AND category = 0 ORDER BY [name])
WHILE @name IS NOT NULL
BEGIN
SELECT @SQL = 'DROP FUNCTION [' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Function: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] IN (N'FN', N'IF', N'TF', N'FS', N'FT') AND category = 0 AND [name] > @name ORDER BY [name])
END
GO
/* Drop all Foreign Key constraints */
DECLARE @name VARCHAR(128)
DECLARE @constraint VARCHAR(254)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' ORDER BY TABLE_NAME)
WHILE @name is not null
BEGIN
SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
WHILE @constraint IS NOT NULL
BEGIN
SELECT @SQL = 'ALTER TABLE [' + RTRIM(@name) +'] DROP CONSTRAINT ' + RTRIM(@constraint)
EXEC (@SQL)
PRINT 'Dropped FK Constraint: ' + @constraint + ' on ' + @name
SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' AND CONSTRAINT_NAME <> @constraint AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
END
SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' ORDER BY TABLE_NAME)
END
GO
/* Drop all Primary Key constraints */
DECLARE @name VARCHAR(128)
DECLARE @constraint VARCHAR(254)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' ORDER BY TABLE_NAME)
WHILE @name IS NOT NULL
BEGIN
SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
WHILE @constraint is not null
BEGIN
SELECT @SQL = 'ALTER TABLE [' + RTRIM(@name) +'] DROP CONSTRAINT ' + RTRIM(@constraint)
EXEC (@SQL)
PRINT 'Dropped PK Constraint: ' + @constraint + ' on ' + @name
SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' AND CONSTRAINT_NAME <> @constraint AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
END
SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' ORDER BY TABLE_NAME)
END
GO
/* Drop all tables */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'U' AND category = 0 ORDER BY [name])
WHILE @name IS NOT NULL
BEGIN
SELECT @SQL = 'DROP TABLE [' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Table: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'U' AND category = 0 AND [name] > @name ORDER BY [name])
END
GO

【讨论】:

  • 在 Azure 上运行良好。正是我刚才所需要的。谢谢。
  • 在 SQL 服务器上使用它时要小心 > 2005。2005 改变了架构的概念,并且此代码不适用于不在 dbo 架构中的对象。如果你运行它,它就会陷入循环。
【解决方案3】:

您可以尝试开源bsn ModuleStore versioning toolkit,它可以创建数据库清单并为尊重对象依赖关系的数据库模式创建 DROP 脚本。它目前支持表、索引、触发器、视图、函数、存储过程和 XML 模式集合。

using (ManagementConnectionProvider provider = new ManagementConnectionProvider(connection, "dbo")) {
    DatabaseInventory inventory = new DatabaseInventory(provider, "dbo");
    string dropScript = string.Join(";\r\nGO\r\n\r\n", inventory.GenerateUninstallSql().ToArray());
}

【讨论】:

    【解决方案4】:
    Select * From sysobjects Where....
    

    然后一个一个地掉。

    【讨论】:

    • 如果您有依赖项,例如外键、模式绑定函数、计算列等,这将失败。
    • 不确定,但是否有一些选项允许级联或类似?
    • 级联选项仅适用于外键引用的数据(即使对于数据,它在 SQL Server 上也非常有限 - 但这是另一个主题)。
    • 我想运行一个脚本,而不必通过手动删除东西。我还不如坐下来点击SSMS...
    • 如果您发布代码或 XML,在文本编辑器中突出显示这些行,然后单击编辑器工具栏上的“代码”按钮 (101 010) 以很好地格式化和语法高亮!
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