Question

我创建了3个用于插入，更新和删除记录的存储过程。

虽然插入和更新记录存储过程工作正常，但我无法通过删除存储过程删除记录。

该存储过程中的代码位于：

CREATE PROCEDURE usp_DeleteEmployeeRcord
    (@Name NVarchar(50),
     @FName Nvarchar(50),
     @Address NVarchar (50),
     @Email Nvarchar(50),
     @Mobile NVarchar(50),
     @Pincode NVarchar(50))
AS 
BEGIN
    DELETE [dbo].[EmployeeDetails]  
    WHERE Pincode = @Pincode
END

Answer 1

您在语句中忘记了FROM子句，它是

DELETE FROM dbo.EmployeeDetails WHERE ....

Answer 2

因为您的DELETE声明不正确。正确的语法是

DELETE FROM <TableName> Where <Condition>

因此，请将您的查询更改为此，然后尝试

DELETE FROM [dbo].[EmployeeDetails] Where Pincode = @Pincode

Answer 3

你必须使变量成为可选的，你没有在程序中传递：

使用此修改后的内容：

CREATE PROCEDURE usp_DeleteEmployeeRcord
(
 @Name NVarchar(50)='',
 @FName Nvarchar(50)='', 
 @Address NVarchar (50)='', 
 @Email Nvarchar(50)='', 
 @Mobile NVarchar(50)='', 
 @Pincode NVArchar(50)
)

AS 
        BEGIN
            DELETE [dbo].[EmployeeDetails]  
            Where Pincode = @Pincode
        END

希望它有所帮助。：）

Answer 4

删除记录的存储过程 - 书籍详细信息示例如下：

    Create procedure[dbo].[DeleteBookDetails_SP] 
         @BookId Int
    As
    Begin   

         Delete from BookDetails Where BookId=@BookId

    End

这里＆＃34; DeleteBookDetails_SP＆＃34;是存储过程名称，＆＃34; BookDetails＆＃34;是表名和＆＃34; BookId＆＃34;是表中的列名。

Answer 5

Use test
go

CREATE TABLE employee(  
id INTEGER NOT NULL PRIMARY KEY,  
first_name VARCHAR(10),  
last_name VARCHAR(10),  
salary DECIMAL(10,2),  
city VARCHAR(20), 
)  


INSERT INTO employee VALUES (2, 'Monu', 'Rathor',4789,'Agra');  
GO  

INSERT INTO employee VALUES (4, 'Rahul' , 'Saxena', 5567,'London');  
GO  

INSERT INTO employee VALUES (5, 'prabhat', 'kumar', 4467,'Bombay'); 
go  

INSERT INTO employee VALUES (6, 'ramu', 'kksingh', 3456, 'jk');  
go  

select * from employee 


Create procedure MasterInsertUpdateDelete
(
@ID integer,  --//Mandatory parameters
@Firstname varchar(50)=Null,  --//optional parameters//--
@Lastname varchar(50)=Null,
@Salary Decimal(10, 2)=Null,
@City varchar(20)=Null,
@Statementtype nvarchar(200) = '' 
)
as
Begin

    if @Statementtype = 'Insert'
    begin
        insert into employee(id, first_name, last_name, salary, city) values(@ID, @Firstname, @Lastname, @Salary, @City)
    end

    if @Statementtype = 'Select'
    begin
            select *
        from employee
    end
    if @Statementtype = 'Update'
    begin
        update employee set first_name = @Firstname, last_name=@Lastname, salary=@Salary, city=@City
        where id=@ID
    end

    if @Statementtype = 'Delete' 
    begin
    delete from  employee where id=@ID
    end
end

--For insert the records
exec MasterInsertUpdateDelete 7, 'Kallesh', 'Yadav', 30000, 'Bangalore', 'Insert'


--For update the records
exec MasterInsertUpdateDelete 4,'Sneha', 'Kumari', 23000, 'Mumbai', 'Update'

select *
from employee

--For delete the records
exec MasterInsertUpdateDelete  @ID = 2,  @Statementtype = 'Delete' -->We should specify the parameters name while deleting the specific records

希望有帮助。：）

删除记录的存储过程

5 个答案: