当有多个外键表时，它也不适合我。 我发现，代码的工作，并做一切你尝试(删除所有表从你的数据库):

DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR

SET @Cursor = CURSOR FAST_FORWARD FOR
SELECT DISTINCT sql = 'ALTER TABLE [' + tc2.TABLE_SCHEMA + '].[' +  tc2.TABLE_NAME + '] DROP [' + rc1.CONSTRAINT_NAME + '];'
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc1
LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc2 ON tc2.CONSTRAINT_NAME =rc1.CONSTRAINT_NAME

OPEN @Cursor FETCH NEXT FROM @Cursor INTO @Sql

WHILE (@@FETCH_STATUS = 0)
BEGIN
Exec sp_executesql @Sql
FETCH NEXT FROM @Cursor INTO @Sql
END

CLOSE @Cursor DEALLOCATE @Cursor
GO

EXEC sp_MSforeachtable 'DROP TABLE ?'
GO

你可以在这里找到帖子。这是格罗克的帖子。

简短而甜蜜:

USE YOUR_DATABASE_NAME
-- Disable all referential integrity constraints
EXEC sp_MSforeachtable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'
GO

-- Drop all PKs and FKs
declare @sql nvarchar(max)
SELECT @sql = STUFF((SELECT '; ' + 'ALTER TABLE ' + Table_Name  +'  drop constraint ' + Constraint_Name  from Information_Schema.CONSTRAINT_TABLE_USAGE ORDER BY Constraint_Name FOR XML PATH('')),1,1,'')
EXECUTE (@sql)
GO

-- Drop all tables
EXEC sp_MSforeachtable 'DROP TABLE ?'
GO

现货! !

你可以使用下面的查询从数据库中删除所有的表

EXEC sp_MSforeachtable @command1 = "DROP TABLE ?"

编码愉快!

您也可以只使用MSSMS UI工具(不使用SQL脚本)从数据库中删除所有表。有时这种方式会更舒服(尤其是偶尔这样做的时候)

我是这样一步一步做的:

在数据库树中选择“Tables”(对象资源管理器) 按F7打开对象资源管理器详细信息视图 在这个视图中选择必须删除的表(在本例中是所有表) 一直按Delete键，直到所有表都被删除(重复该操作的次数与由于键约束/依赖导致的错误数量相同)

在地对地导弹:

右键单击数据库 转到“任务” 点击“生成脚本” 在“选择对象”部分，选择“脚本整个数据库和所有数据库对象” 在“设置脚本选项”部分，单击“高级”按钮 在“脚本删除和创建”上切换“脚本创建”到“脚本删除”并按“确定” 然后，保存到文件，剪贴板，或新的查询窗口。 运行脚本。

现在，这将删除所有内容，包括数据库。确保删除您不希望删除的项目的代码。或者，在“选择对象”部分，而不是选择脚本整个数据库，只是选择你想要删除的项目。

sp_msforeachtable在Azure SQL中不可用

对于Azure SQL:

此查询将删除外键约束

DECLARE @Name VARCHAR(200)
DECLARE @Constraint VARCHAR(300)
DECLARE @SQL VARCHAR(300)

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 [dbo].[' + 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

这将从数据库中删除所有表

DECLARE @Name VARCHAR(200)
DECLARE @SQL VARCHAR(300)

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 [dbo].[' + RTRIM(@name) +']' /*here you can change schema if it is different from dbo*/
    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