Defining Relationships

May 9, 2008

How do I define a relationship using SQL Server Management Studio?

I can create a view and drag columns between tables easily enough. Is there a way to do this with tables and not views?
Any help appreciated.

Thx

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Defining Key In VB

Mar 24, 2008

Hi,I have a table with uniqueidentifier column as its primary key. If I insert a record into this table by defining the key of this record in VB code (Dim myId As Guid = Guid.NewGuid ... is it??), is it possible that I receive the primary key violation error since the new record has an id which is already exists in the table? Thanks in advance 

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thanks.

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Feb 1, 2008

Hello

I have this 3 tables, Customer, Transaction and Book. Since a customer can buy the same book more than one time, I've defined Transaction_Nr as primary key of Transaction and put Customer_Nr and Book_Nr as foreign keys. So the layout is more or less like this :

Customer {Customer_Nr, Customer_Name}
Transaction {Transaction_Nr, Date, Book_Nr, Customer_Nr}
Book {Book_Nr, Book_Name}

So now my question is, would it have been better, to define Transaction_Nr, Book_Nr and Customer_Nr as a combined primary key or to leave Transaction_Nr alone ? What would be the difference ?

Thanks !

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Feb 3, 2008

Hi All,
I have two tables.First is CAT_TABLE_LIST ;FIELD_NAME                   OPPOSITE_NAME    TBL_NAMEHeight (mm)                            COL_1                 TBL_13Cylinder volume (cm³)               COL_5                 TBL_13Torgue (daN.m)                        COL_7                 TBL_13Cylinder weight(kg)                   COL_13               TBL_13Pump Type                              COL_9                 TBL_13Fuel Consumption                    Col_22                 TBL_22Color                                       Col_41                 TBL_09--------------------------------------------------------------------Second is TBL_13  (there are a few tables for each distict value for CAT_TABLE_LIST.TBL_NAME column );STOCK_CODE              COL_1     COL_5    COL_7    COL_13      COL_9FC-25                                12,5        5         15.000     45              DP 75FT-45                                 27          9          40.000    35               DP 101--------------------------------------------------------------------the CAT_TABLE_LIST.TBL_NAME holds relevant table name and  CAT_TABLE_LIST.OPPOSITE_NAME holds columns names of  that relavant table.The issue is, the columns of relevant tables dynamicly created. I mean if i insert new row to CAT_TABLE_LIST like that;INSERT INTO CAT_TABLE_LIST ('Size(USA)','Col_77','TBL_13')the new column will created for TBL_13 ;ALTER TABLE TBL_13 ADD Col_77 VARCHAR(200)And if i delete a row from CAT_TABLE_LIST, in the same transaction the column will droped from relevant table, as followsDELETE CAT_TABLE_LIST WHERE TBL_NAME ='TBL_13' AND OPPOSITE_NAME='Col_77'goALTER TABLE TBL_13 DROP COLUMN Col_77--------
Expected select query result is (for TBL_NAME = 'TBL_13' AND STOCK_CODE ='FC-25' ) .....STOCK_CODE     OPPOSITE_NAME            FIELD_NAME                  VALUEFC-25                        COL_1                     Height (mm)                     12,5FC-25                        COL_5                     Cylinder volume (cm³)          5FC-25                        COL_7                     Torgue (daN.m)                 15.000FC-25                        COL_13                   Cylinder weight(kg)             45FC-25                        COL_9                     Pump Type                        DP 75------------------------------------------------------------------------------How can i get this result ?
Thanks in advance...
 

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Defining A Select Command

May 17, 2006

I'm trying to populate a DropDownList from my SQL database. I'm using C# 2005 and when I compile my code I get an error. Compiler Error Message: CS0103: The name 'myConnection' does not exist in the current context
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
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 Default3 : System.Web.UI.Page
{
private string connectionString = WebConfigurationManager.ConnectionStrings["mewconsultingConnectionString"].ConnectionString;

protected void Page_Load(object sender, EventArgs e)
{
SqlCommand myCommand = new SqlCommand();
myCommand.Connection = myConnection;
myCommand.CommandText = "SELECT * FROM tblPau";
myConnection.Open();
SqlDataReader myReader;
myReader = myCommand.ExecuteReader();
myReader.Read(); // The first row in the result set is now available.
lstPau.Items.Add(myReader["PauSiteName"]);
myReader.Close();
myConnection.Close();
}
}

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Aug 21, 2004

Hello,

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Regards,
Shailesh

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Sep 27, 2007

Hi there,

I'm trying to follow Lesson 1 for using XML Data in a Report here: http://msdn2.microsoft.com/en-us/library/ms345338.aspx

When I go to my local wsdl I see that the target namespace is:

http://schemas.microsoft.com/sqlserver/2005/06/30/reporting/reportingservices


I create my datasource to point to my local asmx and tested it by going directly to the URL which worked. I then create a dataset in my report which points to this datasource and has this as the query string:

<Query>
<SoapAction>http://schemas.microsoft.com/sqlserver/2005/06/30/reporting/reportingservices/ListChildren</SoapAction>
</Query>


I've created 2 parameters - Item (/) and Recursive (1).

When I try and execute the query, I get the following error:

An error occured while executing the query.
Error while reading xml response.

Error while reading xml response. (Microsoft.ReportingServices.DataExtensions)

Any help would be appreciated. Thanks.

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Defining A Query In A Table Adapter

Nov 26, 2007

Now, I don't know if what I want to do is possible, but here goes.  In the table I want to query, there is an "approval status" column, of type Int32.  There are four approval levels, 1, 2, 3 and 4.  What I want to set up is a query in the table adapter that can return all entries of one or more approval levels.  In "raw" sql, I would do something like: SELECT * FROM facility_table WHERE (approved IN (1,2,3));What I want to do though, is to have the list of approval codes to be a parameter that I can pass to the table adapter query, so the where clause becomes "WHERE (approved IN (@approval))", and I pass a string with the list of approval codes.  But the query designer doesn't want to cooperate with me, as it insists that "@approval" should be an int32.Any suggestions? 

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Apr 7, 2006

Is there any harm in defining a SqlConnection as a private class variable for a web page?Private SqlConnection cn = new SqlConnectection(ConfigurationManager.ConnectionStrings["MyString"].ConectionString);The connection is only opened in certain event handlers, and is closed right after use. It was always my understanding that creating the connection is not a big deal but opening the connection is. Is that correct?

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Automatically Defining Primary Keys

Aug 13, 2007

Hi,

I am new to SQL Server platform, i want to define primary keys automatically other than using an identity. For a table called indicator i want it primary keys to be like ind_001, ind_002, ind_003 and so on.

Can anybody help me on how to do this? I am new to this platform so i will appreciate it if suggestions are explained very clearly. Thank you

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Query Defining Parameter Dropdowns Is Run Twice!

Jan 24, 2007

I built a very simple report which uses a query to define the options in the parameter€™s dropdown. I used that same dataset to define the default for that parameter (meaning that it will just pick the first row from the dataset and use that as the default). When I run the report watching a Profiler trace on the SQL database, it runs that query twice. (Presumably, that€™s once to fill the dropdown list and once to figure out the default.) That seems silly to me since it is the same query that is the same dataset in Reporting Services. Is there any way around this? My parameter bar is rendering twice as slowly as it should be.
 
I've tested against SSRS 2005 SP1 and the CTP of SP2.

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How To Use Value Of A Variable In Defining Data Type

Dec 14, 2007



HI Experts,

I have same table structures in two database and one master table which contains Table id, Table name,primary key, data type of primary key. i have to comapare
Tables in both tha database and as per result i have to do insert,update or delete.

for that i have written query :


DECLARE @rowcount_mastertable FLOAT
SET @rowcount_mastertable = (select count(*) from master_table)

DECLARE @TABLE_ID float,
@TABLE_NAME varchar (100),
@primary_key varchar (100),
@Primarykey_DATATYPE varchar (50),

DECLARE @COUNTER FLOAT
SET @COUNTER = 1

WHILE (@Counter <= @rowcount_mastertable)

Begin

SET @TABLE_NAME = (SELECT TABLE_NAME FROM MASTER_TABLE TABLE_ID = @COUNTER)
SET @primary_key = (SELECT primary_key FROM MASTER_TABLE WHERE TABLE_ID = @COUNTER)
SET @Primarykey_DATATYPE = (SELECT Primarykey_DATATYPE FROM MASTER_TABL WHERE TABLE_ID = @COUNTER)

--In below line i want to declare a variable and datatype should be same as what we got from master table so that i can use this @MAX_primary_key to fetch --max of primary key from table name where table id is 1
DECLARE @MAX_primary_key @Primarykey_DATATYPE
SELECT @MAX_primary_key = MAX(@primary_key) FROM @TABLE_NAME
WHERE TABLE_ID = @COUNTER


---But by running it i am getting error that "Incorrect syntax near '@Primarykey_DATATYPE'. and "Must declare the variable '@MAX_primary_key'.


Please suggest

Thanks in Advance

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Nov 12, 2007

I am pretty new to SQL Server 2005 and SSIS. I am trying to dynamically load files into SQL Server 2005 using files/paths contained in tables. I have a key table in my SSIS package that defines which files should be processed, some default values that will be associated with each file (ie CompanyKey and PeriodKey) and the file path (see below for example):











CompanyKey

PeriodKey

ProcessFlag

FileName


2

61

FALSE

2005TB200501.xls


2

62

FALSE

2005TB200502.xls


2

63

FALSE

2005TB200503.xls


2

64

TRUE

2005TB200504.xls


2

65

TRUE

2005TB200505.xls


2

66

TRUE

2005TB200506.xls


2

67

TRUE

2005TB200507.xls


2

68

TRUE

2005TB200508.xls


2

69

TRUE

2005TB200509.xls


2

70

TRUE

2005TB200510.xls


2

71

TRUE

2005TB200511.xls


2

72

TRUE

2005TB200512.xls

The package I am developing is supposed to loop through this table checking for files with ProcessFlag = TRUE. For those files, it will load all of the records/columns (prefaced with the company and period keys) into a common table.

Do I have to manually create data sources for each file or is there a way to dynamically define the connection and process the connection?

Any assitance you could provide would be greatly appreciated!

Thanks.
Vik

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Jan 29, 2007

Hi!

I'm assisting in the creation of a development enviroment with SQL Server 2005, and I need to assign some custom roles, in particular, a Stored Developer Role should be able to create, modify and execute Stored Procedures but they should not be able to alter tables or views, but should be able to retrieve/insert data from those tables.

I've tried with the default roles in 2005 to no avail.

Is there a relatively easy way to accomplish this with a database alredy populated with objects of both kinds? (SP's and Tables / Views)

Thanks!

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Can someone verify that an assembly containing an interface with an event definition, such as...

public interface A {
event EventHandler Foo;
}

... can never be loaded under SAFE or EXTERNAL_ACCESS ?


It appears that the compiler-generated add_xxx and remove_xxx have the MethodImpl(MethodImplOptions.Synchronized) attribute defined by default, and "Explicit synchronization is not allowed". The same limitation also applies to classes by default, although technically one is able to define the implementation directly (clearly not ideal).

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Mar 28, 2008

Hiii
     I am working on a application where I will upload my excel sheet.Then the application will read the header and will create a table to store the excel sheet.
When the excel sheet will be uploaded first it will read the header of the excel and will display it inside a gridview to choose which columns are to be created along  with datatype.I am giving u a snapshot



Column Name
Select
Datatype

Group Code



Emp No



Mem code



Amount


So Here the user is selecting tha data type.So I am passing the data type to my functions.But while assigning the datatype I am getting error that can no convert from sting to Microsoft.SqlServer.Management.Smo.DataType.I am giving u the demo codeprivate void button1_Click(object sender, EventArgs e)
{ServerConnection objsvrconn = new ServerConnection();
objsvrconn.LoginSecure = false;objsvrconn.ServerInstance = "DEMO";
objsvrconn.Login = "sa";objsvrconn.Password = "sa";
Server objsvr;objsvr = new Server(objsvrconn);
//objsvr.ConnectionContext.Connect();Table tb = objsvr.Databases["Demo"].Tables["Temp"]; Column c = new Column(tb, "GrpCode");
DataType dt = new DataType();dt.SqlDataType =(DataType)"Varchar" ---I am getting the error here.It only accecept from a enum i.e Datatype.Typename but doesnot accept like this
dt.MaximumLength = 10;
c.DataType = dt;
tb.Columns.Add(c);
tb.Alter();
}
 
Please help me.

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Feb 22, 2008

Hi,

I'm using SQL 2008 Februar CTP and trying to use SSIS for Data Source as described in http://msdn2.microsoft.com/en-us/library/ms159215(SQL.100).aspx.
I've created SSIS package and preformed steps described in http://msdn2.microsoft.com/en-us/library/ms345250(SQL.100).aspx (after fixing version to 10.0.0.0).

Now I got next error when trying to add SSIS DataSource (in Report Designer - Visual Studio):


Error messageThe data extension SSIS could not be loaded.


Please help.

Matej

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Feb 23, 2007

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Nov 8, 2007



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What I want to happen when the user drills down is for the report to open up with no parameter values selected. This works for single value parameters where I have set Null as the default value. But I have not been able to figure out how to do this with MVPs. Does anybody know if this is possible?

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Seems like this should be possible... Any idea?

Cheers, Mike

PS: I should add I can Jump to reports with MVP without specifying a parameter in development studio but not when the report is published.

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2
3 <script language="VB" runat="server">
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6 Response.Write(lblTitleID.text)
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5 </asp:SqlDataSource>
 

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Is there any easy way of getting all the relationships for the tables in aSQL server db? I've looked through Google and the Books online but I'm barely scratching the surface on the systables. I know I can go to each individual table and get the dependencies or even print out the diagram through Enterprise Manager but I really don't want to have to type out all the primary/foreign keys for 100+ tables. Any help on getting this data either through a 3rd party software or querying the systables would be great.

THT
DMW

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Feb 1, 2007

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