Database

Re: Inserting Only Distinct Items

13-Oct-07 9:55

Good Day Again,

I am using C# and I only want to add distinct items into my table.

I know there are many ways to do this like:

1. Using select, check if there is any item using the same ID code.

But is there any way to do this with a single command?

Or I need to change something in my TABLE SETTINGS to tell it not to allow non-distinct items?

Regards,
SQL NEWB Big Grin | :-D

Giorgi Dalakishvili13-Oct-07 10:18

Giorgi Dalakishvili

13-Oct-07 10:18

Which rdbm are you using? Check information for UNIQUE Constraints[^]

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Re: Inserting Only Distinct Items

Ian Uy13-Oct-07 18:18

MS SQL Express Edition Username/Password

13-Oct-07 18:18

Hi Giorgi,

Sorry for not including the dbms. It's Microsoft SQL Server 2005 Express.

Thanks.

Ian Uy13-Oct-07 9:52

13-Oct-07 9:52

Good Day Sir/Maam,

I am new with installing MS SQL Express Edition.

So I did install MS SQL Server 2005 Express Edition on my home PC. Everything went fine. I have made a program in C# with ADO.NET and everything seems to work fine.

Now, I want to have a username and password when connecting to a data source. How can I do this? I mean, Where is the settings for that?

Thank You. Smile | :)

pmarfleet13-Oct-07 10:13

pmarfleet

13-Oct-07 10:13

See the following site[^] for details on how to create different connection strings. You should use something like this:

Data Source=myServerAddress; Initial Catalog=myDataBase; User Id=myUsername; Password=myPassword;

Paul Marfleet

Ian Uy13-Oct-07 10:15

13-Oct-07 10:15

Thanks for the reply, Paul.

I already know the connection string. What I am inquiring for is how to make my SQL Server run on SQL Authentication with username and password.

Thanks.

pmarfleet13-Oct-07 10:48

pmarfleet

13-Oct-07 10:48

Use the CREATE LOGIN[^] and CREATE USER[^] statements to create a new SQL login and grant it access to a database.

For example:

USE master
GO

-- Create database login
CREATE LOGIN Paul WITH PASSWORD='p@ssw0rd1'

USE myDB
GO
-- Assign login rights to access myDB
CREATE USER Paul FOR LOGIN Paul

You can do the same thing through the Management Studio UI.

Hope this helps.

Paul Marfleet

Ian Uy13-Oct-07 18:19

Re: Login - User - Credentials

13-Oct-07 18:19

Thanks Paul. Solved it. Gave a 5. Laugh | :laugh:

DotNetWWW13-Oct-07 5:42

DotNetWWW

13-Oct-07 5:42

Hi all ,
I created a Login in sql server 2005 and set its permissions and created a user mapped to it , I have a .net app that connects to this database , How should I deploy this database with my .net app that is going to run server-based ? When using Windows Authentication Mode , to which Login should I set permissions? Should I write a script for setting these permissions?

Thanks

Hesham Amin13-Oct-07 22:56

Hesham Amin

13-Oct-07 22:56

Depends on the version of windows, IIS you use.
For XP+IIS 5.0 you should add a windows login for ASPNET account
for Win2003+IIS 6.0 you should use NETWORK SERVICE user.
You can generate a SQL Script of your database and run it with the installation package to create DB and users.

Hesham A. Amin
My blog

CPU Utilisation Goes to 100% [modified]

Bad Programmer13-Oct-07 5:30

Bad Programmer

13-Oct-07 5:30

Hi All,
I have a problem with my SQL Server 2000, it seems that when 50 users where using my application at some point of time the cpu utilization of sqlserver goes to 100% and it comes down after some time. it happens at regular intervals.

Any help plz. Thankz in advance...............

Bala

-- modified at 11:41 Saturday 13th October, 2007

Re: CPU Utilisation Goes to 100%

Bad Programmer22-Oct-07 10:01

Bad Programmer

22-Oct-07 10:01

Hi All,
I havnt got any response from CodeProject, but I have solved the issue myself. I tried creating Clustered And Non-Clustered Index into a table (Important table that appears in most transactions).
Also i have created some Maintenance paln that executes DBCC commands automatically.

Bala Laugh | :laugh:

SQL QUERY

Trustapple13-Oct-07 0:17

Trustapple

13-Oct-07 0:17

hi,
i have a very simple problem....i have a ms access database. I have a windows form, which has two textboxes(name and depid) and a combobox(department),i want to write a query that will search all these using WHERE and LIKE.ie i need to create a function by the name search and use the query so that this will search all these...i am new to sql...expecting your help

Thanks in advance,

JAN

Blue_Boy13-Oct-07 1:50

Blue_Boy

13-Oct-07 1:50

select * from <tableName> where name ='deptname' and depid='1' <br />
-- instead value 1 on depid set another id

for more help describe your problem much more.

I Love SQL

Trustapple13-Oct-07 4:55

Trustapple

13-Oct-07 4:55

hi,
i have three layers.

1)form.cs
2)datalayer
3)database(forget about this since it is used to open and close the connections form the ms access)

i have two text and a single combobox.

basic idea is i want a query that will search even if any one of these fields are selected.
also do the same if two are selected.
also do the same if one is selected.

the code to search will have to be on my btn click for serach event(ie is in layer form1.cs).
it will have to call my query that will be in a fn: that is in datalayer ( public DataTable refinesearch(string searchstr1, string s2, string s3)

so i think i need to use "like" condition.
something like
"select * from Employee(name of the table) where name like "string" where empid like "s2" etc........

this is my problem .i do not know the query.

thanking you and expecting your reply....

J

Re: SQL QUERY [modified]

Blue_Boy13-Oct-07 5:17

Blue_Boy

13-Oct-07 5:17

if datatype of column EmpId is integer then you can not use like statement just
>,<,=,<> but if column EmpId is varchar then you can use like statement

--if empid is integer
select * from Employee where name like '%string%' and empid=1
--if empid is varchar
select * from Employee where name like '%string%' and empid like '%1%'

-- modified at 11:38 Saturday 13th October, 2007

I Love SQL

Trustapple14-Oct-07 17:51

Trustapple

14-Oct-07 17:51

Hi,

Thankyou Blue_Boy .it worked fine.
Thanks a lot for your time....

Regards

Jan