SQL Server Table Action Statement (original)

CREATE TABLE [dbo]. [Test] (
[ID11] int not NULL,
[AS] varchar (1) COLLATE chinese_prc_ci_as NULL,
[ASD] varchar (1) COLLATE chinese_prc_ci_as NULL,
CONSTRAINT [PK__TEST__3213E83F753864A1] PRIMARY KEY ([Id11])
)
On [PRIMARY]
GO

--Delete Table
IF EXISTS (SELECT * from sysobjects where id=object_id (' [Test] ') and OBJECTPROPERTY (ID, ' istable ') =1)
Drop TABLE test1111

ALTER TABLE [dbo]. [Test] DROP CONSTRAINT [PK__TEST__3213E83F753864A1]
GO

ALTER TABLE [dbo]. [Test] ALTER COLUMN [Asdad] varchar (1) COLLATE chinese_prc_ci_as not NULL
GO

--Renaming
EXEC sp_rename N ' [dbo]. [Test]. [Asdad] ', N ' id11 ', ' COLUMN '
GO

--Is empty
ALTER TABLE [dbo]. [Test] ALTER COLUMN [id11] int not NULL
GO

--PRIMARY key
ALTER TABLE [dbo]. [Test] ADD CONSTRAINT [PK__TEST__3213E83F753864A1] PRIMARY KEY ([Id11])
GO

ALTER TABLE test DROP constraint Id11

--Single primary key change double primary key
ALTER TABLE [dbo]. [Test] DROP CONSTRAINT [PK__TEST__3213E83F753864A1]
GO

ALTER TABLE [dbo]. [Test] ADD CONSTRAINT [PK__TEST__3213E83F753864A1] PRIMARY KEY ([Id11], [Asas])
GO

--Field type
ALTER TABLE [dbo]. [Test] ALTER COLUMN [Asas] tinyint
GO

--Index
CREATE INDEX [QW] on [dbo]. [Test]
([Id11] ASC)
GO

DROP INDEX [QW] on [dbo]. [Test]
GO

--FOREIGN key
ALTER TABLE [dbo]. [Test] ADD CONSTRAINT [We] FOREIGN KEY ([id11]) REFERENCES [dbo]. [Dt_article] ([id]) on DELETE NO ACTION
GO

ALTER TABLE [dbo]. [Test] DROP CONSTRAINT [We]
GO

CREATE TRIGGER [dbo]. [We]
on [dbo]. [Test]
After
As
BEGIN
--Type your statements here
END
GO

--Unique key
ALTER TABLE [dbo]. [Test] ADD CONSTRAINT [Wsas] UNIQUE ([Id11])
GO

--Check
ALTER TABLE [dbo]. [Test] ADD CONSTRAINT [We] CHECK (We)
GO

--Trigger Comment
IF (SELECT COUNT (*) from Fn_listextendedproperty (' Ms_description ',
' SCHEMA ', N ' dbo ',
' TABLE ', N ' test ',
NULL)) > 0)
EXEC Sp_updateextendedproperty @name = n ' ms_description ', @value = n ' Asasa '
, @level0type = ' SCHEMA ', @level0name = N ' dbo '
, @level1type = ' TABLE ', @level1name = N ' Test '
ELSE
EXEC sp_addextendedproperty @name = n ' ms_description ', @value = n ' Asasa '
, @level0type = ' SCHEMA ', @level0name = N ' dbo '
, @level1type = ' TABLE ', @level1name = N ' Test '
GO

Use Demodtcms--equals demodtcms. Dt_express
Go
--The primary key name of the query table
DECLARE @PKName VARCHAR (100)

Select @PKName =name from sysobjects where parent_obj in (
Select id from sysobjects where name= ' gggggggggg ')
and xtype= ' PK '

PRINT @PKName

if (@PKName <> ")
EXEC (' ALTER TABLE ' [dbo].[ GGGGGGGGGG] DROP CONSTRAINT [' + @PKName + '] ')
GO

--The default value name of the query table
DECLARE @DFName VARCHAR (100)

Select @DFName =name from sysobjects where parent_obj in (
Select id from sysobjects where name= ' gggggggggg ')
and xtype= ' d ' and ID in (SELECT e.id from syscolumns a inner joins sysobjects D on a.id=d.id and d.xtype= ' U ' and d.name = ' GGG Ggggggg ' left join syscomments e on a.cdefault=e.id WHERE a.name= ' asda11 ')
PRINT @DFName
if (@DFName <> ")
EXEC (' ALTER TABLE ' [dbo].[ GGGGGGGGGG] DROP CONSTRAINT [' + @DFName + '] ')
GO

SQL Server Table Action Statement (original)