Dynamically Generating Large Views
Nov 24, 1999
Hi,
I need to regenerate a large view each month which performs a union across a number of partitioned tables. (DB is SQL Server 7)
The select statement for each table within the union is large and cannot be replaced with 'select *'.
One possible approach is to obtain the current view definition from syscomments and append an additonal 'UNION select ... from ...' to the end. However I'm having difficulties getting the full textual definition back into variables with the stored procedure. Getting the view definition from the information schema returns a truncated version.
Is there a way to get the whole of the description back (may be >8k)?
I have similar problems manipulating large text fields within the stored proc. If I try to build the entire view definition each period I hit the problem that EXEC cannot take a TEXT parameter (and a varchar isn't big enough).
There are some (messy) ways around this problem, but has anyone had a similar situation where large statements have have to built up before passing them to an EXEC statement and found a neat solution?
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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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Feb 8, 2006
Hello all. I need to build a barcode and stuff it in a image control at runtime in SRS. I have the code at it works perfect for webforms etc but not in the actual SRS report itself. In SRS I put the code in the report properties code but it blows up on bitmap, graphics etc so I added the system.drawing and system.drawing.imaging namespace and it still fails with the same error. I'm certain there is a simple fix for this and would greatly appreciate anyones assistance in making this happen.
Error:
There is an error on line 15 of custom code: [BC30002] Type 'Bitmap' is not defined.
Environment:
Visual Studio 2003
SQL Server 2000 SP4
SQL Reporting Services
Code (apologies in advance for the formatting):
private function getBarcode(input as string)
Dim ValidInput As String = " !" & Chr(34) & "#$%&()**+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~" & Chr(0) & Chr(1) & Chr(2) & Chr(3) & Chr(4) & Chr(5) & Chr(6) & Chr(7) & Chr(8) & Chr(9) & Chr(10) & Chr(255)
Dim ValidCodes As String = "17401644163811761164110012241220112416081604157214361244123014841260125416501628161417641652190218681836183018921844184217521734159013041112109414161128112216721576157014641422113414961478114219101678158217681762177418801862181418961890181819141602193013281292120011581068106214241412123212181076107415541616197815561146134012121182150812681266195619401938175817821974140013101118151215061960195415021518188619661724168016926379"
Dim Digit As Integer = 104
Dim i As Integer
For i = 1 To input.Length
Digit += (i * InStr(1, ValidInput, Mid(input, i, 1)))
Next
Digit = Digit Mod 103
input = Chr(9) & input & Mid(ValidInput, Digit, 1) & Chr(255)
Dim bmp As Bitmap = New Bitmap((input.Length * 11) + 13, 50)
Dim g As Graphics = Graphics.FromImage(bmp)
g.FillRectangle(New SolidBrush(Color.White), 0, 0, (input.Length * 11) + 13, 50)
Dim p As New Pen(Color.Black, 1)
Dim BarValue, BarX As Integer
Dim BarSlice As Short
For i = 1 To input.Length
BarValue = Val(Mid(ValidCodes, ((InStr(1, ValidInput, Mid(input, i, 1)) - 1) * 4) + 1, 4))
If BarValue > 0 Then
Digit = 11
If i = input.Length Then Digit = 13
For BarSlice = Digit To 0 Step -1
If BarValue >= 2 ^ BarSlice Then
g.DrawLine(p, BarX, 0, BarX, 50)
BarValue = BarValue - (2 ^ BarSlice)
End If
BarX += 1
Next
End If
Next
bmp.Save(Response.OutputStream, ImageFormat.Gif)
Best regards,
TKAP
g.Dispose()
bmp.Dispose()
end function
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Feb 15, 2001
Does anyone have any SQL that will look at a DB and dynamically generate CREATE INDEX statements? I
know I can use EM but I want to make this a scripted process and you can only generate CREATE INDEX statement if
you script out the tables too.
Any Ideas??
Thanks
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Apr 20, 2006
My problem is this: How do I dynamically generate a Report Model Definition with c#?
Is there some sort of method I could call from the ReportingService2005 web service? Or some sort of APIs I could use?
If I didn't have a dynamic database structure, I would just create a Report Model Definition with BIS and then deploy the same model to each customer. However, our product creates additional tables in the database, depending on what data users wish to collect.
There are currently 2 solutions for this problem. First, I can manually create a Report Model Definition through the Buisness Intelligence Studio (BIS). However, I wish to be able to dynamically generate the report model without having to go through BIS. Second, I could use C# and manually write the XML of the SMDL. However this seems problematic.
I'm really hoping for some MS API that I'm missing out on here. Thanks for the help.
- Sean
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Aug 2, 2007
Hi...
I'm trying to generate scripts in SQL Server Management Studio 2005.
When I choose 'Script all objects' I get an error when I try to execute it. When I generate the scripts in single files, only tables in one file, only views in one file etc. etc., the execution is succeded.
1) Why do I get an error when I try to execute the script containing tables, views, procedures in one file....?
2) I get an error in the view-file where one column is 'invalid' but I can see it in the view. A generated script should execute succesfully when it is generated one second ago on the same database and so on... Right?
Thanks....
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Feb 11, 2014
Other than right-clicking on each individual table in SSMS and generating a CREATE script, is there a simple way to generate CREATE TABLE scripts for tables within a given database?
Background: I have a bunch of tables in one database, and I would like to add tables to a second database that have the same names and basic structures of some of the tables from the first database.
I do not need to transfer any data from the tables, this is a seperate project that will use a similar data structure. I just want to generate the CREATE TABLE scripts for 30ish tables within the first database, and then I'll tweak the scripts as appropriate and run them against the new database.
[URL] ....
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Feb 1, 2007
I am building a dashboard features that allows user to select reports from a dropdownlist. It is pulling from a table called Reports (cols: ReportID, Description, sqlView) In this Report table the report is associated to a view that queries the report.
And the user's selections are stored in table called UserReport (cols: userID, ReportID, createDt) .
I need to get a Dataset to contain datables of all reports selected. (for example a user select 3 reports, the dataset should contain 3 datables that represent the report).
I want to accomplish this by create a store procedure that queries the Reports table and then dynamically executes the views that related to the user selected reports. Can anyone give me an example on how to create the storeprocedure?
Thanks,
CG
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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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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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Mar 14, 2006
Hello There,I'm trying to create a view that has calculations dependent oncalculations, where the problem resides is that each time I make acalculation I must create an intermediate view so I can reference aprevious calculation.for example lets say I have my_table that has columns a & b. now I wanta view that has a & b, c = a + b, and d = c + 1.this is grossly simplified, the calculations I actually use are fairlycomplex and copying / pasting them is out of the question.so what I have is my_view_a which makes column c, and my my_view_finalwhich makes column d (however, in my real application I have 5 of theseviews, a/b/c/d/e/)is there anyway I can consolidate all these views into one? I wasthinking of using a stored procedure with temp tables or somethingalong those lines.I just which I can use the aliases that I create for c in d in onestep.any insight would be greatly appreciated.
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Jan 19, 2004
hi,
I am developing a ASP.NET application using SQL Server as my database.
I want to create a number that is unique.
The number will have 8 digits.
first 2 digits correspond to year. ex:04 or 03
the next 6 digits start with 000001 and it should get added for each new entry of data.
i am not able to generate number in the way i said. I am relatively new to SQL. so any suggestions as how to go about solving the problem???. Are there any samples/codes available for this.
Any help would be highly appreciated.
thanks,
-sriram
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May 31, 2001
Hi all,
I have generated an SQL script such that when it is run, it will automatically create tables if not existing or drop the existing tables. The problem I have is that, is there any way I can also make the script create not only the tables but also transfer the data from the old database to the new database?
I would really appreciate if any of you could point me to any existing programs, scripts etc that can do that. Thanks in advance
Regards,
Celia
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Oct 8, 1999
Is there a way to generate SQL Scripts from a stored procedure?
For disaster recovery and documenation reasons, we'd like to create scripts of our databases periodically. I, being somewhat lazy, would like to automate this so I really don't have to remember to run this every so often.
Any help would be appreciated.
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Jun 7, 1999
Is there a way to generate SQL scripts from other than SQL Enterprise Manager?
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Oct 29, 2014
I must produce an XML file with this layout:
Code:
<root>
<dataroot>
<Professions>
<Profession>web designer</Profession>
<tags>
<tag>Ruby on Rails</tag>
<tag>Apache</tag>
<tag>HTML/CSS</tag>
[code]...
I can't get my head around it ..I've even tried to solve it by using FOR XML RAW.
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May 13, 2008
Hi
I am unable to see how to generate a leading zero.
Table A
declare @TableA table ( ID numeric ,
Fruits varchar(10)
)
insert @TableA
select 1,'Oranges'
union all select 2,'Mangoes'
union all select 3,'Apricots'
ID Table A
1 Apples
2 Oranges
3 Grapes
4 Apricots
declare @TableB table ( seed numeric ,
)
insert @TableB
select 080513000448
union all select 080513000449
union all select 080513000450
Table B
seed
080513000448
080513000449
080513000450
I wrote the following query but i need generate a leading zero not sure which function can help maybe the right function but i am not sure how to use it in this case
SELECTconvert(varchar(10), getdate(), 12) +
(SELECT
CASE
WHEN SUBSTRING(ISNULL(max(seed),'00000'),1,6) = convert(varchar(10), getdate(), 12)
THEN SUBSTRING(ISNULL(max(seed),'00000'),7,12)
ELSE '000000'
END AS SEED
FROM B)
+ (row_number()
over (order by Id))
as SEED
FROM A
SEED
----
80513000451
The output which i need is
SEED
----
080513000451
rather then
SEED
----
80513000451
regards
Hrishy
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May 12, 2007
A simple question! I would like to create a database that creates say serial numbers and saves them to a table. If poss I would like to create them on demend and not duplicate.....
I have blank page syndrome!!!!
Thanks in advance
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Feb 19, 2008
Can anyone suggest a case-study/reference links/video demos for creating a cube using Analysis Services and generation of reports using Reporting Services.
Thank You
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Mar 15, 2008
Guys,
I have to generate sequence for distinct group of values for example
intially seq is set to 1 through out the table
categorydescidseq
__________________________________
AccountingAccounting61
AccountingAccounting72
AccountingFinal81
AccountingFinal92
AddendumAddendum 101
Is there any way to accomplish this?
Any suggestions and inputs would help
Thanks
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Mar 31, 2008
hi
how can we generate the data in csv files of database tables by using sql query?
regards
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Aug 24, 2006
Help again please,I need to insert rows into a table from another table. The tables areidentical column wise except the table im inserting from does not havea primary key value. On insert I need to generate a primary key thatis consecutive based on the table im inserting into. Also the table iminserting into does not have a identity column. Much appreciated.
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May 12, 2006
Hi,
we would like to generate SSIS packages(connections, data flow tasks, etc..) programatically using C#. Is it possible to do so?
At present we are creating packages by dragging and dropping required componets from toolbox and configuring them manually. We have a requirement of creating around 300 packages every week. Manual creation of packages is really a nightmare.
I heard from one of friends that using c# we can create packages. is it true? if so, can we view/edit the packages generated using c# using VS 2005 IDE(if required) ?
Regards,
Gopi
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Mar 29, 2007
Hello,
SRS 2005 provides functionality for loading and rendering reports on fly using LoadReportDefinition and Render methods defined in ReportExecutionService webservice.
I was wondering if the same/similar behaviour can be accomplished in Reporting Services 2000.
Thanks in advance,
Kobi
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Jul 12, 2007
What does N indicate in the following script
SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].xxxx' )
Plz can anyone explain
EXEC dbo.sp_executesql @statement = N'Create View xxxxx'
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Oct 17, 2006
I've been given an excel file that lists:
userID's,
Names
Password
expiary dates.
I need to convert this list into sql server logins. Can this be done via a tsql statement? if so how, and if it cant be done via a statement then what other way can it be done.
Many thanks in advance.
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Sep 18, 2007
I'm having problems generating the primary key for a sql server table. I use a slowly changing dimension to discriminate modified and new records. The primary key in the SQL Server table is a combo number/letter incremental (ex. 0000A, 0001A...9999A, 0000B...). I tried creating Instead of insert and For insert trigger for a table but this doesn't seem to do the work.
What are my other options? How can I generate a primary key for every new row?
Any advice is appreciated.
Regards
Sara
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May 20, 2008
Hello all,
I have a few questions relating to scripts and I'm looking for some help, or at least a point in the right direction.
1) I'm generating CREATE scripts to move a number of tables/procedures/functions from my testing database to my production database. The issue I have is the script doesn't seem to be generated in a particular order, so I'm getting errors when a table/procedure/function is created that references something that hasn't been created yet. Is there a setting available to create the script in a specific order to prevent these errors?
2) This is somewhat related to the first question. I need to drop all the tables/procedures/functions before I re-create them. Can I set all the DROPs at the beginning of the script, and then run all the CREATEs?
3) Eventually the database will be ready for production and in use. And eventually I'll be asked to make changes, without erasing existing data. Can I accomplish this using the generate scripts feature? What topics should I be investigating when looking into conducting these types of updates? "Updating database" is too general and I'm not sure the technical term. I've done very simple DB-related tasks so I'm trying to figure out what I'm looking for so I can educate myself. Basically, I don't know what I don't know.
Any help is appreciated. Thanks.
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Jun 7, 2008
hi i am trying to gernerate some tables ( first with a script and then with a stored procedure),, in ms server management studio exrress 2005 using the followingcreate table ip( id int IDENTITY NOT NULL, ip varchar(15) NOT NULL, hostname varchar(128) NOT NULL, primary key(id)) ; i store this in a new query (assume :right click associates the query to the current database ?) and run it and nothing happens its been a while since i did sql but i think the sql is ok....how or more specifically where is the appropriate place to run this code thankssimo stored as a new query
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Dec 4, 2003
I have a table(say tblUserInfo) on SQL Server. What I like to do is a text file will be generated on the hard drive which SQL Server sits on when a new record is inserted into tblUserInfo. The content of the text file comes from the table. Is there any way we can go for doing that?
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Jan 20, 2005
Hi all,
I have a question about generating membership numbers on the fly when someone registers to my website.
Rather than using the auto increment field as a membership number, I would rather keep it as just as the ID for the record and I would like to have a seperate membership number that looks something similar to this...
SR357324J
This will then stay with them for the lifetime of their membership and be on their printed loyalty card.
My questions are...
1) Is there a 'good practice' for membership number format and generation?
2) If this was used as a unique field, is there a degradation in performance when looking up records due to it being alphanumeric.
I may be well off base here, however these are my thoughts so far and your opinion/help is greatly appreciated.
Thanks for your contribution.
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Apr 21, 2006
Hi, I'm looking for a way to take an XML feed and basically do what this article describes: http://msdn.microsoft.com/msdnmag/issues/03/05/MetaDataServices/
(In short, take in XML, generate a database generation script, creating that database, then load the XML data into said database.)
But, the above article involves user interaction and I would like this all automated, ie: in .NET 2.0/C#
Does anyone know how to do this?
Cheers,
Matt.
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