Price Of Using Multiple Databases In SELECT Statements
Sep 11, 2007
Hi,
We are discussing possible implementation for sql2005 database(s). This database will serve one web portal. Part of data will get into it by hand, and part will be replicated from internal system.
Some of us are for creating two separate databases, since there are two separate datasources. One, automatic, will change very little over time and requires almost no maintenance. Other datasource will be manual input. Tables and procedures related to this part will change over time.
Some of us are for creating single database, since it will serve one web site. More important this group is concerned about performance issues since almost every select will require join between tables that would be stored in two separate databases. Do these issues exist?
Can you share some insights, comments, links about this?
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Dec 12, 2014
I have to add the unit price on the order acknowledgement for products on our shelf.
Each product has different price breaks stored in a table called MaterialUnitCost.
I don't know how to pull the correct price based on the order quantity.
Let's say the customer orders 200 pieces,
I sell 1 pcs @ $20
50 pcs @$15
200 pcs @$10.
My order acknowledgement should pull a unit price of $10, but it pulls $20 instead, because in my select statement I have
select materialunitcost.unitcost.
I thought I should do a loop or use the row_number function, but I am new to SQL, and I never used any of these two.
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Apr 23, 2008
how can take codes below and put them into one store procedure to supplie a gridview. also i will like to define the row name on the left like i did to the column on the top using the 'AS'
Code1....
SELECT
SUM(CASE WHEN Month = 'January' THEN 1 ELSE 0 END) AS January, SUM(CASE WHEN Month = 'February' THEN 1 ELSE 0 END) AS February,
SUM(CASE WHEN Month = 'March' THEN 1 ELSE 0 END) AS March, SUM(CASE WHEN Month = 'April' THEN 1 ELSE 0 END) AS April,
SUM(CASE WHEN Month = 'May' THEN 1 ELSE 0 END) AS May, SUM(CASE WHEN Month = 'June' THEN 1 ELSE 0 END) AS June,
SUM(CASE WHEN Month = 'July' THEN 1 ELSE 0 END) AS July, SUM(CASE WHEN Month = 'August' THEN 1 ELSE 0 END) AS August,
SUM(CASE WHEN Month = 'September' THEN 1 ELSE 0 END) AS September, SUM(CASE WHEN Month = 'October' THEN 1 ELSE 0 END) AS October,
SUM(CASE WHEN Month = 'November' THEN 1 ELSE 0 END) AS November, SUM(CASE WHEN Month = 'December' THEN 1 ELSE 0 END) AS December,
SUM(CASE WHEN site_descr = 'SITE1' THEN 1 ELSE 0 END) AS AllTotal
FROM dbo.V_results
WHERE (site_descr = 'SITE1')
Code2.....
SELECT
SUM(CASE WHEN Month = 'January' THEN 1 ELSE 0 END) AS January, SUM(CASE WHEN Month = 'February' THEN 1 ELSE 0 END) AS February,
SUM(CASE WHEN Month = 'March' THEN 1 ELSE 0 END) AS March, SUM(CASE WHEN Month = 'April' THEN 1 ELSE 0 END) AS April,
SUM(CASE WHEN Month = 'May' THEN 1 ELSE 0 END) AS May, SUM(CASE WHEN Month = 'June' THEN 1 ELSE 0 END) AS June,
SUM(CASE WHEN Month = 'July' THEN 1 ELSE 0 END) AS July, SUM(CASE WHEN Month = 'August' THEN 1 ELSE 0 END) AS August,
SUM(CASE WHEN Month = 'September' THEN 1 ELSE 0 END) AS September, SUM(CASE WHEN Month = 'October' THEN 1 ELSE 0 END) AS October,
SUM(CASE WHEN Month = 'November' THEN 1 ELSE 0 END) AS November, SUM(CASE WHEN Month = 'December' THEN 1 ELSE 0 END) AS December,
SUM(CASE WHEN site_descr = 'SITE2' THEN 1 ELSE 0 END) AS AllTotal
FROM dbo.V_results
WHERE (site_descr = 'SITE2')
thanks in advance
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Dec 22, 2005
Hi guys and gals,
I am trying to create a select statement that will return an INT that I will later have to use in another select statement. I have the following code, however, I keep getting an error that says:
'Error116: Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.'
My Code is below:
//Start of sql
CREATE PROCEDURE ADMIN_GetSingleUsers( @userID int) AS
DECLARE @userSQL intSET @userSQL = (SELECT User_ID, TITLE.TITLE AS TITLE, Cast(Users.Active as varchar(50)) as Active, Cast(Users.Approved as varchar(50)) as Approved, Users.Unit_ID As usersUnitID, * From TITLE, Users WHERE User_ID = @userID AND TITLE.TITLE_ID = Users.Title_ID )
Select Unit_ID, Parent_ID, Unit_Name from UNITS WHERE Unit_ID = @userSQL
//End of sql
Can you point to what I am doing wrong? Thanks in advance!
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Jul 27, 2007
I was wondering if it's possible to have a stored procedure that has two select statements which you can combine as a single result set. For instance:select name, age, titlefrom tableaselect name, age, titlefrom tablebCould you combine these queries into a single result set?
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Dec 16, 2014
I know I should know the answer to this, but I just can't quite get the syntax down
Code:
Select case when zipCode = '10185' Then 'Deliver'
Else when zipCode = '2309' And paid = 'Yes' Then 'Deliver'
Else When zipCode = '1291' And paid = 'Yes' Then 'Deliver'
Else When zipCode = '88221' And paid = 'No' Then 'Hold'
Else when zipCode = '34123' Then 'Deliver'
End
From postalDeliveryDatabase
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Apr 29, 2008
Hi,
OK, trying to return the results from two SQL statements into a DataSet using SqlDataAdapter. The SELECT statements query the same table but are looking for different records based on the date that the records were inserted - the 1st query looks for records fro the current month and the 2nd one looks at the same records but for the previous month. The goal is to be able to do some math within a repeater and get the difference between the two records.
Sounds easy enough and it has worked for me in different variations of the same idea but not this time - here's the code:
Protected Sub buildPartsReport(ByVal varHC) objConn.Open() sSQL = "SELECT ap.id,item_model,item_sn,aircraft_id,item_loc=item_type+ ' on ' +(SELECT tnum FROM T_Aircraft WHERE id=aircraft_id),apt.tot_time As endTimes,apt.tot_cycles as endCycles FROM T_Aircraft_Parts ap, T_Aircraft_Parts_Totals apt WHERE ap.id=apt.part_id AND report_date= '" & rD & "' AND item_type LIKE 'engine%';SELECT ap.id,apt.part_id,apt.tot_time as startTimes,apt.tot_cycles as startCycles FROM T_Aircraft_Parts ap, T_Aircraft_Parts_Totals apt WHERE ap.id=apt.part_id AND report_date= '" & oldRD & "' AND item_type LIKE 'engine%'" Dim objCommand As New SqlDataAdapter(sSQL, objConn) DS = New DataSet() objCommand.Fill(DS) Repeater1.DataSource = DS Repeater1.DataBind() DS.Dispose() objCommand.Dispose() objConn.Close() End Sub
Sorry if it wrapped a bit. The "rD" and "oldRD" are the variables for the date ranges (currently set to static numbers for testing). I'm getting the following error when I run this on an ASP.Net page:
System.Web.HttpException: DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'startTimes'.
The code works fine when run via the Query Tool on the SQL server (SQL 2005 Std) though it produces two distinct "tables" which I'm guessing is the problem. I've tried variations on the code including creating a 2nd dataset and then attempting a merge (no joy) and I've tried the ".TableName" route but it complains about trying to add the tablename twice.
Thoughts? I need to get this to work - it is part of a reporting component for an application that I'm developing and I'm stuck. Thanks as always...
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Jan 20, 2005
I'm new to SQL stored procedures, but I'm looking to be able to select order by statement.
declare @OrderBy
@OrderBy = 'first_name'
Select first_name,last_name from table1
Union
Select first_name,last_name from table2
if @OrderBy = 'first_name' begin
Order By first_name
else
Order By last_name
end
You'll have to excuse my if statement if the syntax is incorrect (used to only writing asp ifs :P). Thanks for any help
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Aug 29, 2006
hi
first of all is it possible? if so, what am i doing wrong with this
INSERT into TB2
(
ClientCode,
EngagementCode,
EngagementDescription
)
SELECT
(SELECT dbo.tarCustomer.CustID
FROM dbo.tPA00175 INNER JOIN
dbo.tarCustomer ON dbo.tPA00175.CustKey = dbo.tarCustomer.CustKey INNER JOIN
dbo.tPA00007 ON dbo.tPA00175.intJobKey = dbo.tPA00007.intJobKey),
NULL,
SELECT
(SELECT dbo.tPA00175.chrJobNumber
FROM dbo.tPA00175 INNER JOIN
dbo.tarCustomer ON dbo.tPA00175.CustKey = dbo.tarCustomer.CustKey INNER JOIN
dbo.tPA00007 ON dbo.tPA00175.intJobKey = dbo.tPA00007.intJobKey)
the first select statement for works fine, but the second one and all after i get a syntax error near 'select'.
this is just a shortened version of the statement. how would i run select statements for a table to be inserted into with different column names. also with items that are hard coded like the 'null'. thanks
tibor
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Aug 9, 2007
Hi all,
I have 2 select statements in my Stored Proc.
I want to display the results of each query in my DataGridView.
However, only the data of the last select query is returned.
Why is this?
Thanks.
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May 24, 2007
I have created a stored procedure with multiple select statements using MSSQL 2000. When I connect to this using a SQLDataSource it only seems to get the first SELECT. I need to access the multiple tables returned by the stoped procedure. Can anyone point me in the dirrection of how to do this.ThanksClearz
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May 19, 2008
Hi,
I have used several sql queris to generate a report. This queries pull out data from different tables. But sometimes at the same table too.
Basically those are SELECT statements.
I have created stored proc for each SELECT statement. now I'm wondering can I include all SELECT statements in one stored proc and run the report.
If possible, can anyone show me the format?
Thanks
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Dec 3, 2006
Hey Guys. I’m having a little trouble and was wondering if you could help me out. I’m trying to create a custom paging control, so I create a stored procedure that returns the appropriate records as well as the total amount of records. And that works fine. What I’m having problems with is reading the data from the second select statement within the code. Anyone have any idea on how to do this? Also.. how can I check how many tables were returned?
Here's my code. I'm trying to keep it very generic so I can send it any sql statement:public DataTable connect(string sql)
{
DataTable dt = new DataTable();
SqlConnection SqlCon = new System.Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings["MyDB"].ToString());
SqlDataAdapter SqlCmd = new SqlDataAdapter(sql, SqlCon);
System.Data.DataSet ds = new System.Data.DataSet();
SqlCmd.Fill(ds);
dt = ds.Tables[0];
//Here's where I don't know how to access the second select statement
return dt;
} Here's my stored procedure:
ALTER PROCEDURE dbo.MyStoredProcedure
(
@Page int,
@AmountPerPage int,
@TotalRecords int output
)
AS
WITH MyTable AS
(
Select *, ROW_NUMBER() OVER(ORDER BY ID Desc) as RowNum
From Table
where Deleted <> 1
)
select * from MyTable
WHERE RowNum > (((@Page-1)*@AmountPerPage)) and RowNum < ((@Page*@AmountPerPage)+1);
Select @TotalRecords = COUNT(*)
from Table
where Deleted <> 1
RETURN
Thanks
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Nov 5, 2007
My goal is to run a bunch of select statements from different tables in one database and have them all insert to the same columns/table in the new database. Do I need a new data source for each statement, or is there a way to run all the statements in one set seeing as they all have the same destination. I keep receiving the SQL statement improperly ended error when trying.
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Nov 24, 2014
I ran the below 2 select statements and ended up seeing multiple cached instances of the same stored procedure. The majority have only one cached instance but more than a handful have multiple cached instances. When there are multiple cached instances of the same sproc, which one will sql server reuse when the sproc is called?
SELECT o.name, o.object_id,
ps.last_execution_time ,
ps.last_elapsed_time * 0.000001 as last_elapsed_timeINSeconds,
ps.min_elapsed_time * 0.000001 as min_elapsed_timeINSeconds,
ps.max_elapsed_time * 0.000001 as max_elapsed_timeINSeconds
[code]...
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Dec 14, 2007
How do I write an sql statement to link tables in two databases and query them? For example: SELECT db1.table1.field1, db2.table1.field1 FROM Table1 INNER JOIN db1.table1.field1 ON db2.table1.field1 = db1.table1.field1
Thanks
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Dec 19, 2006
Pricing is a little confusing at my work. My works database from the point of sale has multiple places for price to be. Right now the tables in question are in a SQL database. I am trying to create a user defined function so I can get a list of prices for specific items and for the customer logged into the web page. The tables look like this:Inventory: ItemID, ItemCompany, Description, ListPrice, PublicPriceContractID: ContractNum, ItemID, ItemCompany, MinQty, ContractPriceCustomer: CustomerNumber, CustomerDepartment, Contract1 – Contract4ContractNum ‘99’ is a global contract to all customers. I was able to get the price for this generic contract price, but not for contracts customer may have. Here is what I have so far (with an example item already being pulled up). I am at a loss on how to get the customers contract price with the same function. SELECT Inventory.ItemNumber, Inventory.Company, Inventory.Description, Contracts.Quantity AS MinContractQty, COALESCE (Contracts.ContractPrice, Inventory.WhlCatalogPrice) AS Price, Inventory.WhlCatalogPrice AS ListPriceFROM Inventory LEFT OUTER JOIN
Contracts ON Inventory.ItemNumber = Contracts.ItemNumber AND
Inventory.Company = Contracts.Company AND '99' = Contracts.ContractNumberWHERE (Inventory.ItemNumber = N'444') AND (Inventory.Company = N'035')
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Jun 19, 2000
I am developing basket and need a simple way to get price x quantity + total price.
I get back a recordset which has a varying number of items, each item has a price and quantity. Using
SELECT ((productprice)*(productquantity)) AS subtotal, product name, productid
I don't know how to add all subtotals to get a total, I have tried putting in SUM but but cant get it to work.
Any help would be well appreciated.
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Jul 17, 2006
Time Price Volume
090048 510 6749
090122 510 2101
090135 510 1000
090204 505 2840
090213 505 220
090222 505 1260
090232 505 850
090242 505 200
090253 510 1200
090313 510 570
090343 510 250
090353 510 160
Criteria
Retrieve records with independent price and its total volume per minute
SELECT SUBSTRING(st,1,4) AS Ttime,d_price AS Price,SUM(l_cum) AS Volume FROM cmd4
WHERE sd='20060717' AND serial='0455'
GROUP BY SUBSTRING(st,1,4),d_price,l_cum
Result of the above query: -
Time Price Volume
0900 510 6749
0901 510 1000
0901 510 2101
0902 505 200
0902 505 220
0902 505 850
0902 505 1260
0902 505 2840
0902 510 1200
0903 510 160
0903 510 250
0903 510 570
THE FOLLOWING RESULT STILL NOT A TOTAL FOR A MINUTE]
E.G
0901 510 1000
+
0901 510 2101
=
0901 510 3101 <- I NEED THIS
Can any one advice or give me tips over this. Please
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Jun 15, 2004
How can i get names of all databases using sql statements or system stored procedures? Thanks in advance!
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Oct 17, 2005
Hello,
I have an access database and an SQL database and using data transformation services, i want to update the access database using the SQL data.
Can anyone tell me the syntax for referencing the access database?
Is it something like: [TABLENAME].dbo.FIELDNAME ?
Just to clarify, i have
Microsoft Access Database
Table 1 (UnitHistory)
SQL Database
Table 1 (UnitHistory)
How do i reference these seperately? I want to update the microsoft access database based on the SQL database data.
Eventually i'm trying to update an access database using the data held on my SQL server. Is DTS the best way for me to acomplish this or should i use another method?
Thanks guys
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Dec 10, 2007
Dear Readers,Is it possible, like in Access, to link to tables in other SQL databases that are on the same server? I have a query that I originally had in Access that queered from multiply databases. It did this by having those other tables in the other databases linked to the database that had the query.
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Aug 29, 2013
For large databases is it a good idea to create indexes for fields that are used in Where statements? Does that improve performance and reduce overhead?
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Jul 24, 2015
I'm trying to create an email report which gives a result of multiple results from multiple databases in a table format bt I'm trying to find out if there is a simple format I can use.Here is what I've done so far but I'm having troble getting into html and also with the database column:
EXEC msdb.dbo.sp_send_dbmail
@subject
= 'Job Summary',
@profile_name =
'SQL SMTP',
[code]....
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Sep 13, 2007
Hi,
I'm trying to create a database that takes specific information from a number of databases on different servers to make some reporting that we have much easier.
I'm pretty new to SQL so I'm not sure of the best way to proceed. I read an article that suggested I use the OPENROWSET command. The problem is, the version of SQL that came with one of the programmes we use is limited and will not allow you to turn on the allow "Ad Hoc distributed Queries" so the SLQ statement will not execute.
I'm confused why it won't let me to connect through ODBC as I've created a web page that selects data from this database with no problems!
Here is the SQL statement that I've written to make sure it is the correct one (on the msdn library page it said that this was the ODBC connection):
SELECT a.*
FROM OPENROWSET('MSDASQL','DRIVER=(SQL Server);SERVER=APPOLOACT7;UID=sa;PWD=***************',
'SELECT * FROM MDCTestAndDev.dbo.TBL_CONTACT') AS a
I've also created the ODBC connection using the tool on Administration Tools>Data Sources ODBC
Any help would be greatly appreciated (also any ways of selecting from one database and inserting it into another will be helpfull)
Thanks
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Nov 15, 2006
Hi!
I have 7 source databases and one target database, all using the same structure. The structure is made of 10 tables, with foreign key constraints.
I need to merge the source databases into the target (which won't have any data before that process, but will already have the correct schema), and to keep the relationships between the records.
I know how to iterate over the source databases (with SMO foreach), but I'd like to know if someone can advise the best copy method for that context in SSIS ? (I don't want to keep the primary keys, but I need to keep the relationships...)
Any pointer most welcome!
best regards and thanks
Thibaut
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Aug 13, 2013
My dataset looks like this:
IDBuyDotComPriceCompanyIDShadowOf
AB CIRCLE PRO199.99203
AB CIRCLE PRO-b2199.99203AB CIRCLE PRO
AB CIRCLE PRO-TB249.99344AB CIRCLE PRO
AB CIRCLE PRO-TB-S10344AB CIRCLE PRO
I need to update the price of an item where the CompanyID is 344 and the ShadowOf is not null. The value in ShadowOf is the same as the ID that I want to get the BuyDotComPrice for. It should be simple, but I keep getting errors.
I use Microsoft SQL 2008
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Aug 14, 2012
I am trying to restore multiple .bak backup SQL database files onto a new server. However, I have found that it will not allow me to restore multiple databases at once. Is there a way to do this so that I do not have to manually upload one at a time? I tried adding all the .bak files at once to the backup device window but it only did the first one listed. It would be so much easier to restore them all at once so that I do not have to continue this manual process. I am restoring them via device.
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Oct 11, 2015
I want the below sql code to force a error if it falls on a saturday or sunday, and there are no rows in the OrderTrans table for the previous day (TransDate) but not sure how to do multiple if statements.
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[OrderTrans](
[OrderId] [int] NOT NULL,
[Code] ....
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Oct 31, 2006
I am writing a fairly complex data automation procedure that basically uses about 5 stored procedures and some additional sql from C# to populate a database. i would like to utilize transactions in C# and sql to help me if something goes wrong. My question is, do i have to maintain the same connection in order to have one transaction for all my Commands. right now i do things like connection.Open();Command.ExecuteNonQuery(); connection.Close(); connection.Open();Command2.ExecuteNonQuery(); connection.Close(); i think i have to keep the same connection open for the duration of all my commands in order to utilize transactions, is this correct? thanks, mcm
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Sep 17, 2007
Is there a way to execute multiple SQL statements within SQL Server? I'm triyng to write a sql statement that will delete from three tables. I need at least two sql statements to delete from these three tables. Can this be done?
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Oct 3, 2005
I am just wondering if it is possible using SQL Server 2000 to have multiple SQL Statements executed with one sqlComm.ExecuteNonQuery(); call?
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Mar 14, 2008
This query brings back 2 rows for each record, one for each case statement. How can I change this to bring in the contsupp.notes for both types of data? Or could it be fixed in the joins?
select
contact1.accountno,
contact1.key5 as "Ch#",
contact2.uexpsort as "Sort",
contact1.company as "Church",
contact1.contact as "Editor",
contact1.phone1 as "Phone",
contact2.uemerg as "Emergency",
contact1.Address1 as "Address",
contact1.city as "City",
contact1.state as "State",
contact1.zip as "Zip",
contact2.ubulletnqt as "Qty",
contact2.ubullcolor as "BullColor",
contact2.ubarcode as "Barcode",
contact2.udelivery as "Delivery",
contact2.uoutputdev as "OutputDev",
contact2.utimedeliv as "Time",
contact2.ucolor as "DelivColor",
contact2.ucollated as "Collated",
contact2.ustapled as "Stapled",
case when contsupp.contsupref = 'Delivery Notes' then contsupp.notes end as "Deliverynotes",
case when contsupp.contsupref = 'Cover Change Slip' then contsupp.notes end as "CoverChangeSlip"
from
Contact1 inner join contact2 on Contact1.Accountno = Contact2.Accountno
inner join contsupp on Contact1.Accountno=Contsupp.Accountno
where
contact1.key5 not like '' and contsupp.contsupref='Delivery Notes' or contsupp.contsupref ='Cover Change Slip' order by contact1.key5
Thanks for your help
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