Replacing Views In SQL CE
Jan 15, 2008
Hi all,
We are trying to migrate a SQL Server 2005 database/schema onto SQL CE. The original SQL Server 2005 schema uses views. And VIEWs are not supported on SQL CE. What can we use as an alternative?
Here are the option I can think of:
Use Tables instead of views : We are currently using this approach. But the disadvantage is that data remains on the DB. We need to clean and reuse the table everytimeCan we use a DataSet or DataTable instead? Any sample code available?
Can we replace them by some in-memory data structure?
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Aug 28, 2000
Hi, I'm trying to conver an Access database to SQL 7, but I can't find a easy way to replicate the aggregate function FIRST in SQL, can anyone give me some advise on how to "fake" the FIRST agg function in SQL7? Thanks
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Apr 3, 2006
Fellow database developers,I would like to draw on your experience with views. I have a databasethat includes many views. Sometimes, views contains other views, andthose views in turn may contain views. In fact, I have some views inmy database that are a product of nested views of up to 6 levels deep!The reason we did this was.1. Object-oriented in nature. Makes it easy to work with them.2. Changing an underlying view (adding new fields, removing etc),automatically the higher up views inherit this new information. Thismake maintenance very easy.3. These nested views are only ever used for the reporting side of ourapplication, not for the day-to-day database use by the application.We use Crystal Reports and Crystal is smart enough (can't believe Ijust said that about Crystal) to only pull back the fields that arebeing accessed by the report. In other words, Crystal will issue aSelect field1, field2, field3 from ReportingView Where .... eventhough "ReportingView" contains a long list of fields.Problems I can see.1. Parent views generally use "Select * From childview". This meansthat we have to execute a "sp_refreshview" command against all viewswhenever child views are altered.2. Parent views return a lot of information that isn't necessarilyused.3. Makes it harder to track down exactly where the information iscoming from. You have to drill right through to the child view to seethe raw table joins etc.Does anyone have any comments on this database design? I would love tohear your opinions and tales from the trenches.Best regards,Rod.
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Sep 6, 2007
Which is more efficient? One large view that joins >=10 tables, or a few smaller views that join only the tables needed for individual pages?
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Jun 28, 2007
Hello.
Newbie here. I've only been using SQL for about a year now and have some minor questions about sql objects that reference other objects.
We have some views which reference other views in the joins. I will call one the primary view and the one being referenced in the joins as the secondary view.
Recently we made changes to the secondary view.
After which the primary views which referenced it would not work because of this change and had to be 'refreshed' by using drop/create scripts which essentially just dropped it and recreated the exact same view. I do not recall the exact error message that was returned other than it seemed to suggest that it could no longer see the secondary view since it had been changed. Nothing in the primary view was changed in any way, just the secondary.
Some here where I work have suggested off hand that this was a recompile of the primary view because the contents of the secondary changed.
My questions are:
1. Exactly why did this happen and is there a proper name for it when it does?
2. The same problem does not seem to occur when we have stored procedures referencing views in the joins which had just been changed. Why is that?
Thanks for any help on the matter. I greatly appreciate it.
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Feb 22, 2007
Hello,
to make a report easier I'm developing it using a view of joined views of joined views.
Is there any significant performance penalty as opposed to just having one big select?
Cheers.
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Aug 13, 2004
I am incorporating a perl script loading data into my SQL Server. If I receive a message with a single backslash I know to replace it with a double backslash \. But what if it is a " double quote what do I need to do to get it to appear as is?
Thanks
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Nov 20, 2013
I want to replace the value in a column with the content from listbox.
I have wrote the code like,
Dim i as Integer
dim sql as string
For i = 0 to Customerslist1.ListCount-1
sql = "UPDATE master (gstl) VALUES(" +chrb(34)+Customerslist1.Cell(i,8)+chrb(34)+")"
app.Gudangstock.SQLExecute(sql)
app.Gudangstock.commit
next
msgbox"insert ok"
UpdateCustomerList1
but no error found and the sql command is not executing.
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Aug 31, 2005
Nevil Mascarenhas writes "Hi SQL team,
I am just a beginer in SQL
Here is sample output of a SQL query
Alarm No Site Name Startdate Starttime
7767 ABC 20-08-05 00:00
7765 XYZ 20-08-05 00:00
7762 ASD
5453 QWE 22-08-05 01:00
In this above example, I would like to replace blank fields in Startdate and Starttime coloumn with XXX
Output required is
Alarm No Site Name Startdate Starttime
7767 ABC 20-08-05 00:00
7765 XYZ 20-08-05 00:00
7762 ASD XXX XXX
5453 QWE 22-08-05 01:00
Can you please guide me."
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Nov 18, 2005
Hi i have 2 cols
col1 col2
A1 21
A2 22
A3 21
A4 23
I want to create a report such that i should see all values of col1 but in col2 i want to show only value of 21 and the remaining should be zero.
So basically all the other values except 21 should be zero in the report but should not be updated in the database.
So the report should look like
col1 col2
A1 21
A2 0
A3 21
A4 0
can you please tell me how to do that
Thanks
vic
Vicky
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Jul 20, 2005
Hi,Is it possible to do from one script? We have a set of user's tables like"tbl%". We can get this list very easy using this script:SELECT name FROM sysobjects WHERE xtype = 'U' AND name LIKE 'tbl%' ORDER BYname;We need to change some column names if these names are in a special listthat we have. What can we do? Use FOR EACH ROW? Or what?So, I need to get a column list for each table and check if every columnname is equal to one of the names from the list and then if YES replace itby something or add some symbol to this name. Terrible or possible?Regards,Dmitri
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Jul 30, 2007
Hi
I have a table with column type as ntext. I need to modify the column value. I wanted to replace a given characterstring with another one in this column. Any assistance on this is highly appreciated.
Thanks!
Santhosh
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Nov 24, 2006
Hi all
I need to remove all the ' in a table and i am having some problems with the script, any help would be great
Thanks
Richard
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Jan 21, 2008
Hi,
I would like to replace all instances of a code that starts with 'GEM' with the word 'Perfect'', and all instances of the code that starts with 'GOLD' replaced with 'Imperfect'.
For example, if I have a table named STONES, and a field within the table STONES.Code contained codes such as 'GEMPART4000', 'GEMPART5000', 'GOLDSIDE2300' and 'GOLDSIDE3000', I want to return the first two codes as the words 'Perfect' for each and the last two codes with the word 'Imperfect' for each.
Similarly, how would it be written so I could select a middle part of the code to use as the trigger to replace the code with something different, e.g. if I wanted to use the 'PART' from the first two codes?
I have discovered that the REPLACE and CASE functions don't work with % (so I am looking for any code that starts with what I stipulate but can end with anything (or using it on either side of the middle part of the code)).
Any help would really be appreciated please.
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Dec 3, 2007
Hi Guys,
I am faced with a problem that is giving me headaches. I have t1, t2 and t3. I t1 I have students that have a reference to t2 which are the schools they belong to. The problem arises when I see that there is redundancy in t2. There more records for the same schools. This was posible in giving the same school (postcode and name make it the same school) a different ID. In t3 I removed these redundant schools by using fuzzy grouping.
My problem is I want to ensure that the students are put using the schools from t3 instead of t2. So what I need to do is is to replace the redundant id from t2 with the correct id from t3.
Please help. Thans in advance
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Jul 20, 2007
I am trying to clean up an ugly query that's based on trying to find items that exist in one table but not the other.
My tables are like this:
ITEMSitemID,itemName,itemDescriptionetc...
ORDERITEMSOrderLineID,OrderID,itemID
ORDERSOrderID,OrderCompleted
Currently my query looks something like this:
Select Items.* from ITEMS where not exists (select 1 from ORDERITEMS inner join ORDERS on ORDERITEMS.OrderID = ORDERS.OrderID where ORDERITEMS.itemID=ITEMS.itemID and (ORDERS.OrderCompleted=1))
So this query is looking for ITEMS what don't have a corresponding entry in the ORDERITEMS table. As I understand it this is pretty inefficient as it is going to be executing the sub query in the Not Exists statement for each entry in the ITEMS table. Is the preferred method to do something along the lines of somehow making the sub query into a derived table and doing a left or right join?
Thanks for reading!
Ryan
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Aug 2, 2007
Hi, below is the query that i use.update user set user_description=' "+ userDesc +" ' where user_id = 1;userDesc is the value taken from a textbox and is supposed to be used with the update query.userDesc = "kad'nsad'kasnd'nak";The quotes in userDesc is affecting the update. Is there anyway to replace quotes with ' using stringbuilder?
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Apr 1, 2004
Hi, I have the following query.
sql = "select firstname AS Expr1, lastname AS Expr2, status AS Expr3 from person order by lastname"
Status is either 0,1,2 or 3
How can I use the query to create "a temp Alias" for the query, so that there is a "temp Alias" AS Expr4, AS Expr5, AS Expr6 and AS Expr7.
So if status = 0 then Expr4 = "true" else false
So if status = 1 then Expr5 = "true" else false
So if status = 2 then Expr6 = "true" else false
So if status = 3 then Expr7 = "true" else false
So when the reader reads Expr4 its either true or false.
Is this possible i a query?
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Dec 24, 2005
In an *existing* database, how would you remove the City column in the
Employees table, and put in the CityID key column from the Cities table
?
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Jan 10, 2002
Hi,
how can I remove newline characters and tabs from a char field in sql.
We are directing the results from a query to an excel and having the newlines in one of the columns is messing up the whole output.
thanks
Zoey
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Mar 1, 2001
I am thrawn at the deep end
I have been given the task of moving certain tables (that have PK, FK Constraints) from an existing Database (A) to form another Database (B) but making sure all the references to other tables in the original DB (A) are not affected. I was talled that triggers can solve this but I am not sure where to start. The Question is what I am looking for to replace, and how ??
Please help !!!!!!
Saad
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Sep 4, 2005
Need to update data from one table with data from another table.
I'm very, very new to MS SQL Server
I have the following two tables.
First table
tblEmp
Field - empno
Second table
tbltemp
Field - oldempno
Field - newempno
tblemp.empno = tbltemp.oldemno
I need to replace the data in tblEmp.empno with tbltemp.newempno where tblemp.empno = tbltemp.oldempo.
Thank you.
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Jun 26, 2001
Hi, and tanks for taking time to read this question. I am still a novice at SQL (Server 2000)programming.
Is there a way to replace the contents of a column of a table derivied from SELECT and WHERE statements?
For example,
SELECT * FROM table1
WHERE column1 = 'text'
and replace 'text' with say, 'newtext'
Any help would be appreciated!
Regards,
Chandran
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Dec 1, 2004
I need to change the first digit (0) in a number, like 05678494 and replace it with 0046 so it would look like 00465678494 when it is done.
I have tried to use the REPLACE function without any success.
Can anyone help me?
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Sep 18, 2007
I have a instance with many databases in it.
due to company/product name change,
I want to search for a string "xyz" in
database name,
table name,
column name,
stored procedure name
content of all stored procedures
and replace all of them with "abc" without affecting the databases an application.
Can u please help me with step by step guidance?
muralidaran r
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Dec 2, 2013
I have a SQL table with 5000 rows in it. Some of the other SQL columns have different values but if I wanted to swap say 500 of the rows would it be something like
UPDATE Coupins
SET Name='test1,test2,test3'
WHERE Name='test4,test5,test6';
I need basically to swap the Name value of these without affecting any other values.
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Feb 11, 2014
I've got a sproc that we are migrating from SS2K that uses the reserved keyword 'Pivot'. Best way to replace it. I think it is renameable until the select from TempDB (which is mysterious as I can't see a table in tempDB by that name!!) as below...
CREATE PROCEDURE [dbo].[sp_CreateXtab]
@select varchar(8000),
@sumfunc varchar(100),
@pivot varchar(100),
@table varchar(100),
@SQLOutput varchar(8000) OUTPUT
[code]....
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Aug 23, 2005
Hi friends
I have a database where i need to replace with a new version of the same one.
Can anyone suggest the best possible and reliable way of doing that
regards
Vic
Vicky
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May 17, 2006
Hello. We have a list of 1000+ sku numbers. 90% of them start with u. I need to replace the u with T.
Concerns:
It has to only replace the first letter, if there are other "u"s in the sku, they need to remain.
Not all skus start with u, those that don't should remain the same.
I have searched and searched because I'm sure someone has requested the exact same thing but I can't find anything that is identical.
I have this so far but I know its not correct:
set sku = replace(left(sku,1),'u',right(rtrim(sku),1)+
'T')
Can someone help lead me down the right path?
Thanks in advance!!!
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Dec 17, 2007
I'm the assistant to the assistants assistant and have no SQL base at all but have to change dates in our SQL database. I've got the script for how to do an update/replace for non date fields and have been successful at that. Unfortunately when I try to use the script to change date fields it does not work. It goes through the process and acts like it is working (even asks me if I want to update the records) but when I look in the database the dates have not changed. Below is the script that I am using, any help you can give me will help me keep my job (and pay for the beer I'm sure to need after work today) Thanks in advance for your help. I am trying to change the date '30/08/2007' to '28/08/2008'.
My Script:
update Main_table set valuedate=replace(valuedate,'30/08/2007','28/08/2008')
where country='FR'
and valuedate='30/08/2007'
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Jan 18, 2008
Dear All,
is there anyway to replace right outer join? coz,i'm trying to create an index on indexed view. i'm getting error, that too because of outer join. how can i replace this?
Vinod
Even you learn 1%, Learn it with 100% confidence.
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Oct 6, 2006
I have a string with multiple carriage returns in it. I need to removethe second carriage return but leave all the rest. Anyone know of afunction that will do this?I've come up with this:/***********************************************/DECLARE @MyString varchar(100)SET @MyString='Line one.Line two.Line three.Line four.'SELECT @MyStringSELECT @MyString = LEFT(@MyString, CHARINDEX(CHAR(13), @MyString,CHARINDEX(CHAR(13), @MyString, 0)+1)-1)+ RIGHT(@MyString, LEN(@MyString)-(CHARINDEX(CHAR(13), @MyString,CHARINDEX(CHAR(13), @MyString, 0)+1)+1))SELECT @MyString/***********************************************/However, if there is a less convoluted way of doing this, I'd love toknow.
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Feb 2, 2007
is it possible to replace join type ( for eg. nested loop with hashjoin and so on) in xml plan...we will fst take plan in xml format ( show xml plan ) and then we willreplace join with other one .. and then execute this plane .. to seethe effect....for this we need to understand the way join information get stored inxml ....and then replace...for any extra info we can put garbage .. which will be filled byactual value while execution...so my question is : is it possible...( i think it is very muchpossible)and if yes then guide me... from where i can get these joinformat .. so that i can replace...or just running query on some dataset for both join type and thncomparing the way the get stored .. is sufficient to convert...thankx
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