Check Whether A Data Source Of Sqlserver 2005 Is Exists Or Not
Mar 15, 2008
Hai
I am using sqlconnection to connect sqlserver 2005, Before connect the server i want check the server is exists or not, if server is not exist give a prompt to user enter the actual server name,
If there is any way to check whether server exists or not pls
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Dec 13, 2007
I have Two table.One is MainTable and other is Temporary table.Both have Same Field
Before entering data into main table I want to check weather these data's are already there or not.
Here i am checking only three column of temporary table to the MainTable.
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Sep 7, 2006
Hi All,
I want to connect to SQLExpress database on the network. I can do so using code but I want to use the Data Source Configuration Wizard. It seems this only works for local instances of SQL server. Is this true?
I can connect just fine to the database on the network using Microsoft SQL Server Management Studio Express...for what this is worth.
I have tried to map a drive to the SQL server machine and pick the mdf file but I get the error msg of network path is not supported for database files....I have turned on allow remote connections, allow tcp/ip, named pipes, added sqlserv.exe and sqlbrowser.exe to my firewall exceptions ect..
I want to be able to use Table Adapters, SqlDataAdapters ect. After reading numerous forum questions/ kb articles this seems to be a common problem. I am on the verge of just saying forget it and use MS Access instead.
Thanks in advance!
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May 9, 2007
I'm trying to check if a certain table exists in a given database on a SQL 2005 Server.
I've tried numerous times without any result.
can anyone point me in the right direction?
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Dec 8, 2006
I was able to get this code to work but now I get a SQL error if you try to submit the same information twice. How can I add a message saying that the "email" already exists in database without the SQL error? protected void Button1_Click1(object sender, EventArgs e) { SqlConnection conn = new SqlConnection("Data Source=TECATE;Initial Catalog=subscribe_mainSQL; User Id=maindb Password=123456; Integrated Security=SSPI"); SqlCommand cmd = new SqlCommand("INSERT INTO [main] (, [userid], [fname], [lname], [degree]) VALUES (@email, @userid, @fname, @lname, @degree)", conn); conn.Open(); cmd.Parameters.AddWithValue("@email", email.Text); cmd.Parameters.AddWithValue("@userid", uscid.Text); cmd.Parameters.AddWithValue("@fname", fname.Text); cmd.Parameters.AddWithValue("@lname", lname.Text); cmd.Parameters.AddWithValue("@degree", degree.SelectedItem.Value); int i = cmd.ExecuteNonQuery(); conn.Dispose(); }
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May 11, 2007
I want to import data from a remote MySql Database
So, I created an New Connection (ADO.Net), connection Test is successful but when I try to set the sql string in the advanced editor i get the following error:
Error at Data Flow Task [DataReader Source [2182]]: System.Data.Odbc.OdbcExeption: ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
......
bei System.Data.Odbc.OdbcDataReader.NextResult(Boolean.disposing, Boolean allresults)
bei System.Data.Odbc.OdbcDataReader.Close(Boolean Disposing)
bei System.Data.Odbc.OdbcDataReader.Close()
bei Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.ReinitializeMetaData()
bei Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.ReinitializeMetaData(IDTSManagedComponentWrapper90 wrapper)
the sql string is very simple, this should not be the problem:
SELECT Objektnr FROM m02a_tblObjektstamm
Thank you very much for your support
Martin
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Sep 20, 2006
Hi experts;
I have a problem with unicode character 0x2300
I created this table
create table testunicode (Bez nchar(128))
Insert Data
insert into testunicode (Bez)values('’')
with 2 Unicode characters
= 0x2300
’ = 0x2122
Selecting the data
select Bez from testunicode
I see
"?’"
’ = 0x2122 is ok but instead of 0x2300 there is 0x3f
When I modify the insert statement like that ( 8960 = 0x2300 )
insert into testunicode (Bez)values(NCHAR(8960)+'’')
and select again voila i see
"’"
Does anyone have an idea?
Thanks
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May 18, 2015
What do you use to check the data structure at a source database? For instance, i've got a database which i can connect to using the ODBC (ado.net) connection in SSIS. To get a better understanding on the data and the relationships in the tables i would like to get a database diagram (ERD) of the source DB. Also i would like to be able to import this diagram into SQL server in the database diagram section when i'm going to load this data into a DWH. Any tips or free toolsΒ on better understanding the structure of an external source DB?
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May 3, 2006
Hello,
I'm SQL Server 2005 newbie, could you be so kind and help me how to write the most efficient way stored procedure, which checks by PK if specified row exists, then updating the row, otherwise inserting new one.
Thank you for your kind help.
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Feb 1, 2007
Hello,I created the following SQL script to check if a record exists:IF (EXISTS (SELECT LevelName FROM dbo.by27_Levels WHERE LOWER(@LevelName) = LOWER(LevelName))) Return (1)ELSE Return (0)And I also found in a web page another solution:IF EXISTS(SELECT 1 FROM TABLENAME WHERE LevelName=@LevelName) SELECT 1ELSE SELECT 0- Which approach should I use?- Why "SELECT 1 FROM"?- And when should I use SELECT or RETURN?All I need is to know if the record exists ... nothing else.I will use this procedure on an ASP.NET 2.0 / C# web site.I am not sure if this important but anyway ...Thank You,Miguel
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Dec 24, 2007
Hi,
I was wondering if someone can help.
In vb.net what is the best way to check if a record exists if you are using an sql data reader?
For my application I need to display a button control (make it visible on the page) if a record is available after executing my sql select statement.
cheers
Mark :)
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Jan 17, 2008
Hi all,I am in the process of creating a page that checks to see if a particular user exists in the database and if it does then send to welcome.aspx if not then accessdenied.aspx. The userid is requested from the query string.I have done some research and cannot find anything directly related, I have tried to add bits of code into what i think is the right place but I dont think what i am doing is correct. Can someone help and show me where my code is going wrong? Also is there a better/more efficient way to do what I am doing?Thanks in advance. default.aspx.csusing System;using System.Data;using System.Data.SqlClient;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class _Default : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { string UserID = Request.QueryString["uid"]; //string TransferPage; if (UserID != null) { //initiate connection to db SqlConnection objConnect = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString); string sql = "SELECT COUNT(*) FROM members WHERE UserID = '" + UserID + "'"; SqlCommand query = new SqlCommand(cmd, test); int count = (int)query.ExecuteScalar(); int aantal = -1; // some default value if can't insert record if (count == 0) // no existing record for username { Server.Transfer("accessdenied.aspx"); } else { Session["UID"] = UserID; Server.Transfer("welcome.aspx"); } } }}
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Jan 27, 2008
Does anybody can tell me how to check if cursor exists ?
I have a "try and catch" blocks.
I want to destroy the cursor when error occurred and it jumps into "catch" block.
Before I destroy the cursor I want to check if it exists, because the error could occurred before I have declared or opened the cursor.
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Mar 18, 2006
Hi!
I have created a formview which I among other things uses to insert new values into a database. What I want to check is if the primary key which is put into the form already exists in the db. If it is I want to get a message to my web page, if not the data can be inserted.
How can I do this?
And if the only way to control this is to create a stored procedure. How do I write such a proc?
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Oct 7, 2003
Is there is a piece for code ot sample code that can let me check if a file exists? Has any one done this before?
Thanks
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Feb 25, 2004
Hi there,
I am quite new to SQL Server and am having a bit of trouble.
I have created a linked server with the datasource an excel spreadsheet.
I am trying to write a bit of T-SQL that basically checks if the linked server exists. If it does do X, if not do Y.
Can anyone help, its driving me bananas!
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May 11, 2004
I declare a cusror named crInv inside a loop.
Since I open this cursor a lot of times I want to check if is already opened.
I try to use the Cursor_status function but it always returns -3.
The syntax is:
DECLARE crInv SCROL CURSOR FOR
SELECT Val1, Val2 FROM TABLE1 WHERE Val3=450
If Cursor_Status('local','crInv')>0 BEGIN
CLOSE crInv
DEALLOCATE crInv
END
This code is inside a loop.
If I PRINT Cursor_Status('local','crInv') before and after the DECLARE statement it always returns -3.
What is wrong??
Best regards,
Manolis
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May 20, 2008
Hi,
This my first time using the link server to read the files directly from within SQL2005, so issues the following link:-
EXEC sp_addlinkedserver
@server = N'MYVFPSERVER', -- Your linked server name here
@srvproduct=N'Visual FoxPro 9', -- can be anything
@provider=N'VFPOLEDB',
@datasrc=N'"C:PROGRAM FILESMICROSOFT VISUAL FOXPRO 9Samplesdata estdata.dbc"'
After that i can open query and do the import issues, but how can check if the table exists before issues the query.
Best regards
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Jun 5, 2008
Hello all.
Can anyone tell me how to go about establishing if a particular view exists on a table?
Thanks.
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Dec 9, 2006
Hi,
I'm wondering is there a command that I can use to check if a certain value exists in the database? Something that returns true or false perhaps?
SELECT * FROM Customers WHERE ID ='1'
Ok so that's simple, but how can I return a true or false if '1' is a value that exists in the db?
thanks.
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Mar 19, 2007
Hello all.
Can anyone advise me how to check to see if a particual triggers exists through a SQL script?
Thanks
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May 17, 2007
Is there a way in T-SQL to check to see if a #tempTable exists? I want to write a proc the uses a temp table, but I first need to see if the table already exists. if it does I want to drop it, otherwise skip
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Jul 25, 2006
Hi, can someone tell me how to check if a file exists. If it exists then i want to continue with the process and if it fails then send a mail to me.
Thanks in advane.
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Aug 21, 2006
In SSIS, I need an easy way to see if a file exists, and if not wait for it until a timeout period expires. Here are the options I've discovered, along with the issues I've had:
a) The File Watcher task from www.sqlis.com
This was my first attempt. The task works great, BUT only detects when there is a change on the file. If the file already exists, it keeps waiting which is not the behavior I need.
b) The WMI Event Task
There is very sparce documentation on this event and how to write a WQL query. There are numerous examples of monitoring a folder and if any files appear, cause an event to happen. I need to detect for a specific file. I found maybe one example of this using "PartComponent" but wasn't able to get the sytax right to make it work for me. I also need to access a remote file share using a UNC path (e.g. \servernamepathfile.txt) which I could not get to work.
c) Script Task using the File.Exists() method
I imported the System.IO namespace, and used a File.Exists(\servernamepathfile.txt) with actual success, but am not sure of the best way to continue to wait if the file is not found immediately. I also want to modularize this approach so I can wait for several files simultaneously so was thinking of implementing this script task as a package by itself to accept variables (filepath & timeout period) but need to know if anyone has had success with this approach.
I'm open to suggestions or ways to get options a) and b) to work for my needs.
Thanks!
Kory
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Feb 5, 2007
Well, actually, as in the title. I have a table. The script should add a column if that column doesn't exist already. I use VB to combine the two queries. So what I want:
Query1: Does the column exists:
if No,
query2: create the column
How can I achieve this?
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Aug 27, 2007
Is there any way to check whether the login exists before creating login ?
create login should be executed after check.
thanks,
Sreenath
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Sep 14, 2006
What’s the easiest way to check if a single value exists in a table column? I’m building a simple login page, and I want to get the username and check if it exists in my Users table. Here’s my SQL: SELECT UserID FROM UsersWHERE UserID = "admin" Could someone give me code to check for “admin” in my UserID column? Here’s some code I tried, using my SqlDataSource, but it returns an error “Could not load type 'System.Data.OleDb'” protected void Button1_Click(object sender, EventArgs e) { // Retreive the results from the SqlDataSource as a DataReader OleDbDataReader reader = (OleDbDataReader) SqlDataSource1.Select(DataSourceSelectArguments.Empty); // Read in the value if (reader.Read()) { } // Close the reader reader.Close(); } I don’t have to use the SqlDataSource, but originally thought it might be easier. I know how to use SqlDataSource to fill a whole GridView but this is different.
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Jun 17, 2008
Basically, i am still relatively new to ASP.net and SQL. And i have the following query.
I have a skills table to which the user enters their skills using the following fields: Skillcatagory, SKill, Current Level, Target Level, target date and comments and the serial of the user.
I need to check via our staff table, which people have had a skill entered for them. And then produce a report on who has not had a skill entered for them.
This table has a serial of the user column aswell which is unique.
If there is more information that i can give you to assist me, please ask me.
You help would be greatly appreciated.
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Apr 10, 2008
Hi there,
I want to create an SQL Function that checks if a table exists and returns true or false. I will pass this function a paramter (say @COMPANYID) e.g.
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[tblmyTableName_' + @COMPANYID) and OBJECTPROPERTY(id, N'IsUserTable') = 1)
how would I write this so the query is dynamically executed and I can get a value of true or false back?
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Jun 4, 2008
Hello all.
OK i have script which is to be run on several databases. Within this script there are commands to create a primary key on a specific table. Can anyone tell me if it is possible to check if a specific primary key exists on a table?
Thanks people.
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Mar 14, 2007
Hi All.
Can anyone tell me what the syntax to check and see if a stored procedure exists and if it doesnt to create it is?
Thanks people.
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Nov 26, 2007
What is the best way to check for an existing table in a db (i.e. check to be performed when creating a table)
I have came accross the following:
Code Block
IF EXISTS (SELECT 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE' AND TABLE_NAME='someTable')
and
Code Block
if not exists (select * from dbo.sysobjects where id = object_id('[someUser].[someTable]') and OBJECTPROPERTY(id, 'IsUserTable') = 1)
Note I want to work with tables that can have any name (unicode chars accepted);
I realise that INFORMATION_SCHEMA.TABLES is a view, and views are generally preffered, but why then does enterprise manager create the SQL found in the second example?
If anyone could explain what is best practice, it would be much appreciated,
Thanks
Kenny
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Oct 5, 2006
Hello.
How can I check if a temporary table exists in the current context?
With normal tables I'd do a
EXISTS ( SELECT name FROM sysobjects
WHERE name='myTableName' AND type='U')
However, I can't do that with a temporary table. I'd have to go look at the sysobjects table in the tempdb database.
The problem is that for temporary tables, a suffix is added to the name to make it unique for each scope. I can't change the WHERE clause to name LIKE 'myTableName%' because this would return true if a temporary table with the same name exists in a different scope.
Any ideas?
Carlos
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