sql

1.视图修改

USE [D]

GO

Alter View [dbo].[vUsers_Address]
as
SELECT a.*,b.City,b.Township, b.Street,c.RoleName from CCD_Users as a
Left join TW_Address as b on a.ProvinceID=b.ID
Left join CCD_Role as c on a.RoleID=c.RoleID


GO

2.增加主键信息

SET IDENTITY_INSERT [dbo].[CCD_Object] ON
INSERT [dbo].[CCD_Object] ([ObjectID], [ObjectType],[Description]) VALUES (23,91,'GovOrder')
SET IDENTITY_INSERT [dbo].[CCD_Object] OFF

3.修改

Update CCD_FunctionItem set DisplayOrder=25 where FunctionItemID=4   --多个用逗号分开

1.增加字段。 alter table docdsp add dspcode char(200) 

2.删除字段。 ALTER TABLE table_NAME DROP COLUMN column_NAME 

3.修改字段类型 。ALTER TABLE table_name ALTER COLUMN column_name new_data_type

4.判断 重新 赋值

sql_Str += " (case IsUserCharge when 1 then '是' when 0 then '否' end) as NewUserCharge,";

5.as

 6.将一个表中的部分数据赋值给新表

 INSERT INTO 表名  (。。) SELECT 。。 FROM 表名 WHERE 。。
原文地址:https://www.cnblogs.com/Neil-Peng/p/9038271.html