SqlServer ，storedprocedure操作
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时间：2015年06月12日
USE [Role] GO /*Create a table*/ IF OBJECT_ID (‘dbo.Users‘, ‘U‘) IS NOT NULL DROP TABLE Users GO CREATE TABLE [dbo].[Users]( [ID] [int] IDENTITY(1,1) NOT NULL, [UserName] [varchar](50) NOT NULL, [Password] [varchar](20) NOT NULL, [TrueName] [varchar](50) NULL, [sex] [varchar](2) NULL, [Birthday] [datetime] NULL, [Phone] [varchar](20) NULL, [Email] [varchar](50) NULL, [CreateTime] [datetime] NULL, CONSTRAINT [PK_Accounts_Users] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO /*Create procedure about select*/ IF OBJECT_ID(‘GetUserBy‘,‘p‘) IS NOT NULL DROP PROCEDURE GetUserBy GO CREATE PROCEDURE GetUserBy @id int AS BEGIN SELECT ID,UserName,Password,TrueName,sex,Birthday,Phone,Email FROM [Users] WHERE [Users].[ID]=@id END GO EXECUTE GetUserBy @id=1 GO /*Insert*/ CREATE PROCEDURE Insertuser @userName varchar(50) ,@password varchar(20) ,@trueName varchar(50) ,@sex varchar(2) ,@birthday datetime ,@phone varchar(20) ,@email varchar(20) AS BEGIN INSERT INTO [Users]([UserName],[Password],[TrueName],[sex],[Birthday],[Phone],[Email],[CreateTime]) VALUES(@userName,@password,@trueName,@sex,@birthday,@phone,@email,GETDATE()) END GO EXECUTE Insertuser @userName=‘Admin‘,@password=‘123456‘ ,@truename=‘Adminstrator‘,@sex=‘男‘,@birthday=‘2014-08-31‘ ,@phone=‘12345677‘,@email=‘[email protected]‘ Go /*Insert user return id*/ CREATE PROCEDURE InsertUserReturenId @userName varchar(50) ,@password varchar(20) ,@trueName varchar(50) ,@sex varchar(2) ,@birthday datetime ,@phone varchar(20) ,@email varchar(20) AS BEGIN INSERT INTO [Users]([UserName],[Password],[TrueName],[sex],[Birthday],[Phone],[Email],[CreateTime]) VALUES(@userName,@password,@trueName,@sex,@birthday,@phone,@email,GETDATE()); SELECT @@IDENTITY END GO EXECUTE InsertUserReturenId @userName=‘Admin‘,@password=‘123456‘ ,@truename=‘Adminstrator‘,@sex=‘男‘,@birthday=‘2014-08-31‘ ,@phone=‘12345677‘,@email=‘[email protected]‘ Go /*Update*/ CREATE PROCEDURE UpdateUser @id int ,@password varchar(20) AS BEGIN UPDATE [Users] SET [Password]=@password WHERE [ID]=@id END GO EXECUTE UpdateUser @id=15,@password=‘1234567‘ GO /*Delete*/ CREATE PROCEDURE DeleteUserById @id int AS BEGIN DELETE FROM [Users] WHERE [ID]=@id END GO EXECUTE DeleteUserById @id=1 GO /**Clear table**/ Truncate table [Users] GO /*loop insert data*/ DECLARE @userName varchar(50) ,@password varchar(20) ,@trueName varchar(50) ,@sex varchar(2) ,@birthday datetime ,@phone varchar(20) ,@email varchar(20) ,@i int SET @userName=‘Admin‘ SET @password=‘123456‘ SET @trueName=‘Adminstrator‘ SET @sex=‘男‘ SET @birthday=‘2014-08-31‘ SET @phone=‘111111111‘ SET @email=‘[email protected]‘ SET @i=30 WHILE @i<31 BEGIN SET @userName=‘admin‘+CONVERT(varchar(2),@i) INSERT INTO [Users]([UserName],[Password],[TrueName],[sex],[Birthday],[Phone],[Email],[CreateTime]) VALUES(@userName,@password,@trueName,@sex,@birthday,@phone,@email,GETDATE()) SET @i=@i+1 END GO /*Page and sort*/ CREATE PROCEDURE QueryUserByPage1 @pageSize int ,@currentPage int ,@searchName varchar(50) ,@flag int AS DECLARE @startPgae int,@endPage int,@sort varchar(50),@sql varchar(1000) SET @startPgae=@currentPage * @pageSize SET @endPage=@startPgae + @pageSize -1 SET @sort= CASE WHEN @flag=1 THEN ‘ID‘ WHEN @flag=2 THEN ‘UserName‘ WHEN @flag=3 THEN ‘CreateTime‘ END BEGIN SELECT ROW_NUMBER() OVER(ORDER BY @sort DESC) AS userId FROM [Users] WHERE useId BETWEEN @startPgae AND @endPage END GO /*Pgae*/ IF OBJECT_ID (‘QueryUserByPage‘, ‘p‘) IS NOT NULL DROP PROCEDURE QueryUserByPage GO CREATE PROCEDURE QueryUserByPage @pageSize int ,@currentPage int ,@searchName varchar(50) AS DECLARE @startPgae int,@endPage int SET @startPgae=(@currentPage-1) * @pageSize + 1 SET @endPage=@startPgae + @pageSize - 1 SET @searchName=‘%‘+RTRIM(@searchName)+‘%‘ BEGIN SELECT * FROM ( SELECT *, ROW_NUMBER() OVER(ORDER BY ID DESC) AS userId FROM [Users] WHERE [UserName] LIKE @searchName ) tuser WHERE tuser.userId BETWEEN @startPgae AND @endPage END GO
/*拼接字符串分页*/ CREATE PROCEDURE QueryUserByPage2 @start int ,@end int AS DECLARE @sql nvarchar(600) set @sql=‘select top ‘+str(@end-@start+1)+‘ * from Users where ID not in(select top‘+str(@start-1)+‘ ID from Users)‘ BEGIN execute(@sql) END GO QueryUserByPage2 @start=2,@end=10 GO
EXECUTE QueryUserByPage @pageSize=10,@currentPage=1,@searchName=‘1‘ GO DECLARE @name varchar(50) ,@description varchar(50) ,@i int SET @description=‘teacher‘ SET @i=1 WHILE @i<=10 BEGIN SET @name = ‘teacher‘ + CONVERT(varchar(2),@i) INSERT INTO [Roles] VALUES(@name,@description) SET @i=@i+1 END GO SELECT * from Roles TRUNCATE table Roles GO SELECT * FROM [UserRoles] LEFT JOIN [Roles] ON [UserRoles].[RoleID]=[Roles].[ID] WHERE [UserRoles].[UserID]=1
选择：select * from table1 where 范围 插入：insert into table1(field1,field2) values(value1,value2) 删除：delete from table1 where 范围 更新：update table1 set field1=value1 where 范围 查找：select * from table1 where field1 like ’%value1%’ ---like的语法很精妙，查资料! 排序：select * from table1 order by field1,field2 [desc] 总数：select count as totalcount from table1 求和：select sum(field1) as sumvalue from table1 平均：select avg(field1) as avgvalue from table1 最大：select max(field1) as maxvalue from table1 最小：select min(field1) as minvalue from table1
随机产生 select top 10 * from Users order by newid()
左外连接 （Left Jion）：包含左边表的全部行（不管右边的表中是否存在与它们匹配的行），以及右边表中全部匹配的行 select * from test1 left join test2 on test1.id = test2.id右外连接 (Rigt Jion)：包含右边表的全部行（不管左边的表中是否存在与它们匹配的行），以及左边表中全部匹配的行
select * from test1 right join test2 on test1.id = test2.id
declare @name varchar(50),@flag int SET @name = CASE WHEN @flag = 0 THEN ‘Mfg item - not for resale‘ WHEN @flag < 50 THEN ‘Under $50‘ WHEN @flag >= 50 and @flag < 250 THEN ‘Under $250‘ WHEN @flag >= 250 and @flag < 1000 THEN ‘Under $1000‘ ELSE ‘Over $1000‘ END
IF @cost <= @compareprice BEGIN PRINT ‘These products can be purchased for less than $‘+RTRIM(CAST(@compareprice AS varchar(20)))+‘.‘ END
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