Populate One DB Field With A List From A &"storage&" DB
Aug 25, 2006
Mike writes "I am trying to learn SQL programming and would like to see if you can provide me with some direction on a small project.
The project that I would like to work on has 2 SQL DBs and entails looking in a database for empty CLASSCODE fields, populate these fields from a “storage� database that contains un-used CLASSCODE codes and tag the assigned codes from the storage DB as used (“Y�)
The main DB called books has the following relevant fields, bookid, bookname, CLASSCODE (besides a number of other fields which are irrelevant to what I need to do). The “storage DB called classcode has 3 fields, CLASSCODE, Used (single character intended to contain either a Y or NULL).
My idea is to create a script to accomplish this that I can run periodically when new books have been added to the DB. I can setup the update routine I am stuck with is trying to do the following:
Pick the first record (classcode) from the classcode DB
Go to the books DB and update the first record that does not contain a code with the above classcode
Go back to the classcode DB and mark the used record with a Y in the Used field
Loop though the books DB and perform the same operation until no more records exist with an empty classcode field. The existing data would look something like:
dbo.Books
BookidClasscode
A123400001
B123400002
C123400003
D1234
E1234
dbo.classcode
classcodeUsedDate
00001Y5/17/2006 12:00:00 AM
00002Y5/17/2006 12:00:00 AM
00003Y5/17/2006 12:00:00 AM
00004
00005
00006
00007
00008
I need to pick the next classcode.classcode record that does not have a Y in the Used field and apply it to the first books.classcode record that has a NULL classcode record and then mark the used classcode.classcode record with a "Y"
Hopefully this will make some sense, I will greatly appreciate any feedback.
Mike."
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Aug 10, 2006
I am fairly new to SQL programming and would like to see if you can provide me with some direction on a small project I would like to accomplish. I have experience working with databases (mainly in with different versions of FoxPro) and reporting with Crystal reports, etc. but not much with SQL.
The project that I would like to work on has 2 SQL DBs and entails looking in a database for empty CLASSCODE fields, populate these fields from a “storage� database that contains un-used CLASSCODE codes and delete the assigned codes from the storage DB or mark them as used possibly the book code.
The main DB called books has the following relevant fields, bookid, bookname, CLASSCODE (besides a number of other fields which are irrelevant to what I need to do). The “storage DB called classcode has 3 fields, CLASSCODE, Used (single character intended to contain either a Y or NULL) and date assigned. The original idea was to put a Y in the used field and insert the date the code was assigned to a book, but this is not entirely necessary, we have 90k unused codes and it really does not matter if they are simply deleted from the DB.
My idea is to create a script to accomplish this that I can run periodically when new books have been added to the DB. I can setup the update routine (something like the list below) but what I am stuck with is trying to do the following:
Pick the first record (classcode) from the classcode DB
Go to the books DB and update it with this classcode
Go back to the classcode DB and mark the used record with a Y in the Used field
Loop though the books DB and perform the same operation until no more records exist with an empty classcode field.
I will greatly appreciate your feedback you can provide.
Mike.
UPDATE [dbo].[Books]
SET dbo.Books.Classcode = [dbo].[classcode].[classcode]
From dbo.classcode
On [dbo].[Books].[classcode]= [NULL]
Populate DB field from list in “storage� DB
Mike Campos - CA
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Dec 27, 2004
I have been trying to populate my dropdown list with State names in the USA. The dropdown list populates fine, but when I hit the submit button I receive the following message:
Could not find stored procedure 'Maryland'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Could not find stored procedure 'Maryland'.
Source Error:
Line 81: Dim sqlCmd As SqlCommand = New SqlCommand(sqlText, sqlConn)
Line 82: sqlCmd.Connection.Open()
Line 83: dr = sqlCmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection)
Line 84: Return dr
Line 85: End Function
Source File: c:inetpubwwwrootCreditRepairAdd_Customer.aspx.vb Line: 83
Stack Trace:
[SqlException: Could not find stored procedure 'Maryland'.]
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream) +742
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior) +45
CreditRepair.CreditRepair.Vb.Add_Customer.GetDr(String sqlText) in c:inetpubwwwrootCreditRepairAdd_Customer.aspx.vb:83
CreditRepair.CreditRepair.Vb.Add_Customer.drpState_SelectedIndexChanged(Object sender, EventArgs e) in c:inetpubwwwrootCreditRepairAdd_Customer.aspx.vb:163
System.Web.UI.WebControls.ListControl.OnSelectedIndexChanged(EventArgs e)
System.Web.UI.WebControls.DropDownList.System.Web.UI.IPostBackDataHandler.RaisePostDataChangedEvent()
System.Web.UI.Page.RaiseChangedEvents()
System.Web.UI.Page.ProcessRequestMain() +1099
Can anyone help?
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Oct 18, 2005
Hi,I have table (tbl_a) that get it values form three Dropdown List and the PK of this table is FK in different table(tbl_b).Since tbl_a get its values from three Dropdown List the number of rows in this table is limited to the number of combinations the three Dropdown List is offer (in any case the number of raws in that table will be final).Assuming tbl_a and tbl_b are both empty.
The problem is that if i want to insert row to tbl_b i have to check first if there is a row that holds the values (or combination of values) i am getting from the Dropdown List in tbl_a .Then, if such row is exist i have to get the PK of that raw and insert it to tbl_b (as FK),if such row does not exist, i have to insert it and then get the PK of this row and insert it to tbl_b (as FK).
In the end, tbl_a will have all the combination the three Dropdown List can offer so checking if raw exist in this table will not be necessary.
In my opinion this is not effective way to do that.Can someone offer me better way to do it?
Thanks
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Oct 18, 2005
Hi,
I have table (tbl_a) that get it values form three Dropdown List and the PK of this table is FK in different table(tbl_b).
Since tbl_a get its values from three Dropdown List the number of rows in this table
is limited to the number of combinations the three Dropdown List is offer (in any case the number of raws in that table will be final).
Assuming tbl_a and tbl_b are both empty.
The problem is that if i want to insert row to tbl_b i have to check first if there is a row that holds the
values (or combination of values) i am getting from the Dropdown List in tbl_a .
Then, if such row is exist i have to get the PK of that raw and insert it to tbl_b (as FK),
if such row does not exist, i have to insert it and then get the PK of this row and insert it to tbl_b (as FK).
In the end, tbl_a will have all the combination the three Dropdown List can offer so checking if raw exist in this table will not be necessary.
In my opinion this is not effective way to do that.
Can someone offer me better way to do it?
Thanks
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Apr 8, 2008
I am trying to populate a dropdownlist from a sql data source in my codebehind using c#. I thought I had the code correct but I keep getting the following error and I am stuck: "Only assignment, call, increment, decrement, and new object expressions can be used as a statement"
Here is the code:protected void populateOppNameList(){
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);SqlCommand cmd = new SqlCommand("SELECT empname FROM opportunity WHERE (username = " + userName + ")", conn);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
try
{
conn.Open();DataSet ds = new DataSet();DropDownList ddl_OppNames = (DropDownList)FormView1.FindControl("dropdownlist1");
ddl_OppNames.DataSource = ds;
ddl_OppNames.DataBind;}catch (Exception e)
{
}
finally
{if (conn != null) { conn.Close(); }
}
}
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Dec 17, 2006
Hi,
I am currently trying to develop an application which would help in retrieving data from cubes (Microsoft Analysis Services)! The user would not be accessing the Business Intelligence Studio, etc. but would be viewing the data from a custom made application developed in VB.Net2005.
While implementing this, I want to populate the drop-down-list in the VB(.Net) Form, by retrieving the various hierarchies in the dimensions of the cubes (along with dimensions if possible). This should be done dynamically and in real-time!
Can you please help in implementing this? Any code/method, etc would be highly appreciated!
Thanks in advance.
Best wishes!
(Software : SQL Server 2005 Enterprise Edition (with Analysis Services and BI Studio), VS.Net 2005 Enterprise Edition, ADOMD.Net)
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Dec 7, 2007
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Here is my current MDX:
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Gross Ton Gross Ton [Dim Units].[Units].&[Gross Ton] 1
Hundred Weight Hundred Weight [Dim Units].[Units].&[Hundred Weight] 1
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Also, is there a way to NOT include the "all" member? For what I am trying to do it would have no meaning.
Thanks.
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[Code] ...
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Hi folks:
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Each Part has a PartPrice. Now I have added to the Jobs table a JobPrice field. Whenever a new Job is created, JobPrice takes the current value of its Part's PartPrice. Each Job's JobPrice remains constant for historical purposes, while the PartPrice may fluctuate at my client's whim.
The trouble is that the Jobs table is 10k+ records large, and I need to fill the JobPrice values. I am at a loss. I know how to commit the update one record at a time:
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WHERE (JobID = [the job in question])
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Â
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Jan 25, 2008
Guys,
New to SQL and I'm trying to create a new field, entitled “Name� and see all employee names from my "Employee" table using the following format:
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after much effort my code is as follows:
CREATE VIEW 'Name'
AS
SELECT LastName, FirstName, JobID, Email, Hiredate AS Relationship
FROM 'Name'
Create View 'Name' as Select LastName, FirstName, JobID, Email, Hiredate From EMPLOYEE
Group By LastName, FirstName, JobID, Email, Hiredate Order By LastName
But i'm still getting the following errors:
Msg 111, Level 15, State 1, Line 196
'CREATE VIEW' must be the first statement in a query batch.
Msg 102, Level 15, State 1, Line 199
Incorrect syntax near 'Name'.
Msg 111, Level 15, State 1, Line 200
'CREATE VIEW' must be the first statement in a query batch.
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Mar 18, 2008
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Jan 14, 2008
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lStatus = RegCreateKeyEx( hLocalConnectKeyRoot,
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0L,
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NULL,
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Aug 2, 2006
I am in need of help to develop a query
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Lets see an example
tb_exame
id_exame
date_exame
1
07/01/2006
2
08/01/2006
3
09/01/2006
tb_exame_lab
id_exame_lab
id_exame
desc_exame
status_exame
1
1
NORMAL
1
2
1
0
3
2
NORMAL
1
4
2
PROBLEMS
1
5
2
OK
1
6
3
OK
0
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Jun 23, 2008
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knifekills int
sniperkills int
stealthkills int
fibergarotekills int
sample data:
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supposed i want to retreive only those records whose type of kills is on a given list, how do i do that? the list is actually dynamic since the kill types is actually coming from a checkbox on my page:
[] Knife Kills
[] Sniper Kills
[] Stealth Kills
[] Fibergarrote Kills
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U + U + D + D + L + R + L + R + Sel + Start...
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S
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