Delete all tables on sqlserver

时间:2014-07-26 00:04:16   收藏:0   阅读:388
/* 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 [dbo].[ + 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 [dbo].[ + 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 (NFN, NIF, NTF, NFS, NFT) AND category = 0 ORDER BY [name])

WHILE @name IS NOT NULL
BEGIN
    SELECT @SQL = DROP FUNCTION [dbo].[ + RTRIM(@name) +]
    EXEC (@SQL)
    PRINT Dropped Function:  + @name
    SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] IN (NFN, NIF, NTF, NFS, NFT) 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 [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

/* 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 [dbo].[ + 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 [dbo].[ + 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

 

From :  http://stackoverflow.com/questions/536350/drop-all-the-tables-stored-procedures-triggers-constraints-and-all-the-depend

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