How To Use The Create Relationship Function At MS SQL Server
hi all, For those who will celebrate the chinese new year, Gong Xi Fa Cai!!!
I now using microsoft SQL server to manage my database.
To manage the database, I have go through the SQL Server Enterprise Manager
To create my database.
Now I am the stage create the relationship for my relations.
So when I drag the foreign key from one relation to primary key at another
relation, vice versa, it will pop up the 'Create Relationship' form.
What I can saw is there are three check boxes. one check boxes have 2 sub check boxes.
Quote: Checkbox 1 - [Check existing data on creation]
Checkbox 2 - [Enforce relationship for replication]
Checkbox 3 - [Enforce relationship for INSERTs and UPDATEs]
Checkbox 3.1 - [Cascade Update Related Fields]
Checkbox 3.2 - [Cascade Delete Related Records]
Usually the Checkbox 1, 2, 3 had been checked.
but the check box 3.1 and 3.2 is display as uncheck by default.
Another question is when I linked up the relationship between two of the relations will appear
a asterisk(*) beside the relation's name. Why?
But I not very understand to the check boxes means and the asterisk.
Can someone give me some guidelines!!Thanks
Thanks in billions....
Best regards
John Ang
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Hi , I 'm working with visual studio 2005 and I have created an SQLServer Project. I'm using the CLR functionality which comes with SQLserver 2005. This means that I can write VB.nEt code and use it inside Sqlserver 2005.So far so good. I am now inside the .NET I have created a Function(must remind you that I have created an SQLserver Project) which takes two string arguments. The date value in a string format and the string format. In Our case the function returns a string.It will return a datetime although. So we have Dim Datetime_Val As DateTime = Nothing Dim Date_Val As Date = Nothing Dim StrTemp As String = "" Dim StrDateTemp As String = Nothing Dim StrTimeTemp As String = Nothing Dim ls_return As String = Nothing Dim lindexof As Integer Dim Counter As Integer = 0 lindexof = 0 Select Case StrFormat Case "DD-MM-YYYY HH24:MIS" For Counter = 1 To 2 lindexof = StrDate.IndexOf("-", lindexof + 1) Next lindexof += 5 StrDateTemp = StrDate.Substring(0, lindexof).Trim StrTimeTemp = StrDate.Substring(StrDateTemp.Length, StrDate.Length - StrDateTemp.Length).Trim ls_return = StrDateTemp & " " & StrTimeTemp End Select The above is a simple code. As you can see I'm trying to convert the TO_DATE function ,which work with ORACLE, to make it work with SQLServer 2005. I've been trying unsuccessfully to combine the variables StrDateTemp and StrTimeTemp into a datetime value. I used the following code but nothing Datetime_Val = CDate(StrDateTemp & " " & StrTimeTemp) Didn't work Datetime_Val = Convert.ToDateTime(StrDateTemp & " " & StrTimeTemp) Didn't work Datetime_Val = DateTime.Parse(StrDateTemp & " " & StrTimeTemp) Didn't work Inside SQlServer I used this SQL statement Select dbo.TO_DATE('31-12-1990 00:26:46','DD-MM-YYYY HH24:MIS') But I am receiveing an error. I want to avoid changing all of my applications with a specific format.This sql statement without the dbo prefix I'm using in Oracle. I want to keep the format of the SQL and let VB.NET do the parsing for me. It is easier for me to put in my SQLs the dbo infront rather changing the complete SQL. I have two questions . How am I going to create a TO_DATE function which Oracle uses and write something similar in SQLserver ? And If I cannot do that how am I going to get the database 's datetime format and create with VB.NET the Datetime value from the two variables ? My problem I believe is quite complex. I would be mostly appreciated if you could help me on this. Thank you
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Need To Create Custom Function For Enterting Automated Database Records
Hi All,I need help in creating a function in VB for my ASP.NET application where I want to add records to database on the first day of every month.I have got no idea about what I have to do for achieving this goal.Its basically for a customer based application where Interest will be paid into customers' account and I need to implement this for every customer on 1st day of every monthThe thing I am not sure about is how can I get the application to add a record for each customer on the first day of each month, i.e. how can I get the application to check that its 1st day of month and then the application adds records automatically for each customer based on my specified rules.If any of you could help me with this, I'll really appreciate it.Thank you.
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Function To Create Comma Separated List From Any Given Column/table.
Hi,I'm sure this is a common problem.. to create a single field from awhole column, where each row would be separated by a comma.I can do this for a specified table, and column.. and I've created afunction using VBA to achieve a more dynamic (and very slow) solution..so I would like to implement it using a user defined function in sql server.The problems I'm facing are, that I can't use dynamic sql in afunction.. and I also can't use temporary tables which could build up a'standard' table from parameters given to then perform the function on.So, with these limitations, what other options do I have?Cheers,Chris
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Using OPTION Clause Within CREATE FUNCTION Statement For Inline Table Functions
Hi! I need to expand resursion level for resursive CTE expression within CREATE FUNCTION statement for inline table function to a value greater than default. It turns out that OPTION clause for MAXRECURSION hint perfectly works if I use it outside CREATE FUNCTION (as well as CREATE VIEW for non-parametrized queries), but it does not within CREATE FUNCTION statement - I'm getting error: Msg 156, Level 15, State 1, Procedure ExpandedCTE, Line 34 Incorrect syntax near the keyword 'option'. Here is the function: create FUNCTION [dbo].[ExpandedCTE] ( @p_id int ) RETURNS TABLE AS RETURN ( with tbl_cte (id, tbl_id, lvl) as ( select id, tbl_id, 0 lvl from tbl where id = @p_id union all select t.id, t.tbl_id, lvl + 1 from tbl_cte inner join tbl t on rnr.tbl_id = tbl_cte.id ) select id, tbl_id, lvl from tbl_cte option (maxrecursion 0) ) Please help! Alexander. P.S. I'm really sorry if it is about syntax, but I could not find it in the documentation.
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Extend GetUserID Function Or Create Additional Custom Information Funcitons
Hi there I'm relatively new to Reporting Services and .Net development so bear with me if I've missed something obvious. I've set up Reporting Services to run under forms authentication successfully. I want to filter the data (both within Report Builder Models and .rdl files) to the company the user belongs to. To avoid joining the users table to all other tables on the companyID I'm wondering if it's possible to create a custom funciton which could use the UserID to lookup the companyID and then pass this through as a parameter, and have this "GetCompanyID" function available when building Models and/or reports...??? When building a model the Information Functions available are GETUSERID and GETUSERCULTURE. Is it possible to modify how these work and/or create additional functions here??? Thanks in advance for your help. Cheers, Todd.
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