本文介绍了在将数据插入数据库时避免重复的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
大家好, 我正在做一个图书管理项目。我有一个表来存储学生的详细信息。我希望每个用户的电话号码,电子邮件ID,用户名和密码都应该是唯一的。任何人都可以帮我如何为此编写存储过程,以便不再插入相同的数据。我写的查询粘贴在下面,但它不起作用。请帮我解决这个问题。
声明 @icount int set @ icount =(选择 count(*)来自 PatronDetails 其中(PhoneNo 喜欢 @ PhoneNo )和(电子邮件喜欢 @ Email )和(usernme 喜欢 @ usernme ) 和(pwd 喜欢 @ pwd )) if ( @ icount = 0 ) insert into PatronDetails (RegId,FirstName,Patron_Adrs,City,Zipcode,Country,Patron_State,Gender, DOB,PhoneNo,Email,Course,CreatedDate,Isdeleted,FathersName, YearOfJoining,Semester,SubCourse,usernme,pwd) 值 ( @ RegId , @Firstname , @ Patron_Adrs , @ City , @Zipcode , @ Country , @ Patron_State , @ Gender , @ DOB , @ PhoneNo , @ Email , @ Course ,GETDATE(), 0 , @FathersName , @ YearOfJoining , @ Semester , @ SubCourse , @ usernme , @ pwd )提前致谢
解决方案您好, 你可以这样检查副本.. 如果不存在(从PatronDetails中选择*,其中PhoneNo = @ PhoneNo和Email = @Email和usernme = @ usernme和pwd = @ pwd ) 开始 //插入命令结束
谢谢
Hello everyone, I am doing a library management project.I have a table to store the student details.I want the phone number,email id,username and password of each user should be unique.Can any one help me how to write the stored procedure for this so that same data is not inserted again.The query i have written is pasted below but it is not working.Please help me resolving this.
declare @icount int set @icount= (select count(*) from PatronDetails where (PhoneNo like @PhoneNo) and (Email like @Email) and (usernme like @usernme) and (pwd like @pwd)) if (@icount = 0) insert into PatronDetails (RegId,FirstName,Patron_Adrs,City,Zipcode,Country,Patron_State,Gender, DOB,PhoneNo,Email,Course,CreatedDate,Isdeleted,FathersName, YearOfJoining,Semester,SubCourse,usernme,pwd) values (@RegId,@Firstname,@Patron_Adrs,@City,@Zipcode,@Country,@Patron_State, @Gender,@DOB,@PhoneNo,@Email,@Course,GETDATE(),0,@FathersName, @YearOfJoining,@Semester,@SubCourse,@usernme,@pwd)Thanks in advance
解决方案 Hello , you can check the duplicate like this way.. if not exists (select * from PatronDetails where PhoneNo=@PhoneNo and Email =@Email and usernme=@usernme and pwd=@pwd ) begin //insert command endthanks
更多推荐
在将数据插入数据库时避免重复
发布评论