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  • How to prevent SQL Compact DB to be erased?

    - by Skuta
    Hi, I'm developing an applciation using SQL Compact database in Visual Studio 2008. When I start the application and run the process, the data is being loaded into database for few hours worth of few tens of megabytes. However, when I quite debugging, change something in code (not in DB structure), run the project again, the database is erased. Does anyone know how to prevent this behavior? I need the data to stay in DB to test on it.

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  • Generate Delete Statement From Foreign Key Relationships in SQL 2008 ?

    - by Element
    Is it possible via script/tool to generate a delete statement based on the tables fk relations. i.e. I have the table: DelMe(ID) and there are 30 tables with fk references to its ID that I need to delete first, is there some tool/script that I can run that will generate the 30 delete statements based on the FK relations for me ? (btw I know about cascade delete on the relations, I can't use it in this existing db) I'm using Microsoft SQL Server 2008

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  • Migrating SQL Server Databases – The DBA’s Checklist (Part 2)

    - by Sadequl Hussain
    Continuing from Part 1  , our Migration Checklist continues: Step 5: Update statistics It is always a good idea to update the statistics of the database that you have just installed or migrated. To do this, run the following command against the target database: sp_updatestats The sp_updatestats system stored procedure runs the UPDATE STATISTICS command against every user and system table in the database.  However, a word of caution: running the sp_updatestats against a database with a compatibility level below 90 (SQL Server 2005) will reset the automatic UPDATE STATISTICS settings for every index and statistics of every table in the database. You may therefore want to change the compatibility mode before you run the command. Another thing you should remember to do is to ensure the new database has its AUTO_CREATE_STATISTICS and AUTO_UPDATE_STATISTICS properties set to ON. You can do so using the ALTER DATABASE command or from the SSMS. Step 6: Set database options You may have to change the state of a database after it has been restored. If the database was changed to single-user or read-only mode before backup, the restored copy will also retain these settings. This may not be an issue when you are manually restoring from Enterprise Manager or the Management Studio since you can change the properties. However, this is something to be mindful of if the restore process is invoked by an automated job or script and the database needs to be written to immediately after restore. You may want to check the database’s status programmatically in such cases. Another important option you may want to set for the newly restored / attached database is PAGE_VERIFY. This option specifies how you want SQL Server to ensure the physical integrity of the data. It is a new option from SQL Server 2005 and can have three values: CHECKSUM (default for SQL Server 2005 and latter databases), TORN_PAGE_DETECTION (default when restoring a pre-SQL Server 2005 database) or NONE. Torn page detection was itself an option for SQL Server 2000 databases. From SQL Server 2005, when PAGE_VERIFY is set to CHECKSUM, the database engine calculates the checksum for a page’s contents and writes it to the page header before storing it in disk. When the page is read from the disk, the checksum is computed again and compared with the checksum stored in the header.  Torn page detection works much like the same way in that it stores a bit in the page header for every 512 byte sector. When data is read from the page, the torn page bits stored in the header is compared with the respective sector contents. When PAGE_VERIFY is set to NONE, SQL Server does not perform any checking, even if torn page data or checksums are present in the page header.  This may not be something you would want to set unless there is a very specific reason.  Microsoft suggests using the CHECKSUM page verify option as this offers more protection. Step 7: Map database users to logins A common database migration issue is related to user access. Windows and SQL Server native logins that existed in the source instance and had access to the database may not be present in the destination. Even if the logins exist in the destination, the mapping between the user accounts and the logins will not be automatic. You can use a special system stored procedure called sp_change_users_login to address these situations. The procedure needs to be run against the newly attached or restored database and can accept four parameters. Depending on what you want to do, you may be using less than four though. The first parameter, @Action, can take three values. When you specify @Action = ‘Report’, the system will provide you with a list of database users which are not mapped to any login. If you want to map a database user to an existing SQL Server login, the value for @Action will be ‘Update_One’. In this case, you will only need to provide the database user name and the login it will map to. So if your newly restored database has a user account called “bob” and there is already a SQL Server login with the same name and you want to map the user to the login, you will execute a query like the following: sp_change_users_login         @Action = ‘Update_One’,         @UserNamePattern = ‘bob’,         @LoginName = ‘bob’ If the login does not exist, you can instruct SQL Server to create the login with the same name. In this case you will need to provide a password for the login and the value of the @Action parameter will be ‘Auto_Fix’. If the login already exists, it will be automatically mapped to the user account. Unfortunately sp_change_users_login system stored procedure cannot be used to map database users to trusted logins (Windows accounts) in SQL Server. You will need to follow a manual process to re-map the database user accounts.  Continues…

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  • Speaking in Raleigh NC June 15th

    - by Andrew Kelly
    Just a heads up to those in the area that I will be speaking at the (TriPASS) Raleigh SQL Server user group on the 15th of June 2010. The topic is Storage & I/O Best Practices. The abstract is listed below: SQL Server relies heavily on a well configured storage sub-system to perform at its peak but unfortunately this is one of the most neglected or mis-configured areas of a SQL Server instance. Here we will focus on the best practices related to how SQL Server works with the underlying storage...(read more)

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  • ASP.NET MVC Creating a impersonated user.

    - by Malcolm
    Hi, I have a MVC app where I have a User class and the user can also impersonate another user(Admin users only). So I have this code below that authenticates the request and instantiates my version of a User class. It then tries to get the impersonated user from the Session object but Session is not available in this method in the global.asax. Hope this makes sense. How else could I do this? protected void Application_OnAuthenticateRequest(object sender, EventArgs e) { IMylesterService service = ObjectFactory.GetInstance(); if (Context.User != null) { if (Context.User.Identity.IsAuthenticated) { User user = service.GetUser(Context.User.Identity.Name); if (user == null) throw new ApplicationException("Context.user.Identity.name is not a recognized user"); User impersonatedUser = (User)this.Session["ImpersonatedUser"]; if (impersonatedUser == null) user.ImpersonatedUser = user; else user.ImpersonatedUser = impersonatedUser; System.Threading.Thread.CurrentPrincipal = Context.User = user; return; } } User guest = service.GetGuestUser(); guest.ImpersonatedUser = guest; System.Threading.Thread.CurrentPrincipal = Context.User = guest; }

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  • Where clause on joined table used for user defined key/value pairs

    - by Steve Wright
    Our application allows administrators to add “User Properties” in order for them to be able to tailor the system to match their own HR systems. For example, if your company has departments, you can define “Departments” in the Properties table and then add values that correspond to “Departments” such as “Jewelry”, “Electronics” etc… You are then able to assign a department to users. Here is the schema: In this schema, a User can have only one UserPropertyValue per Property, but doesn’t have to have a value for the property. I am trying to build a query that will be used in SSRS 2005 and also have it use the PropertyValues as the filter for users. My query looks like this: SELECT UserLogin, FirstName, LastName FROM Users U LEFT OUTER JOIN UserPropertyValues UPV ON U.ID = UPV.UserID WHERE UPV.PropertyValueID IN (1, 5) When I run this, if the user has ANY of the property values, they are returned. What I would like to have is where this query will return users that have values BY PROPERTY. So if PropertyValueID = 1 is of Department (Jewelry), and PropertyValueID = 5 is of EmploymentType (Full Time), I want to return all users that are in Department Jewelry that are EmployeeType of Full Time, can this be done? Here's a full data example: User A has Department(Jewelry value = 1) and EmploymentType(FullTime value = 5)User B has Department(Electronics value = 2) and EmploymentType(FullTime value = 5)User C has Department(Jewelry value = 1) and EmployementType(PartTime value = 6) My query should only return User A using the above query UPDATE: I should state that this query is used as a dataset in SSRS, so the parameter passed to the query will be @PropertyIDs and it is defined as a multi-value parameter in SSRS. WHERE UPV.PropertyValueID IN (@PropertyIDs)

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  • How can I separate the user interface from the business logic while still maintaining efficiency?

    - by Uri
    Let's say that I want to show a form that represents 10 different objects on a combobox. For example, I want the user to pick one hamburguer from 10 different ones that contain tomatoes. Since I want to separate UI and logic, I'd have to pass the form a string representation of the hamburguers in order to display them on the combobox. Otherwise, the UI would have to dig into the objects fields. Then the user would pick a hamburguer from the combobox, and submit it back to the controller. Now the controller would have to find again said hamburguer based on the string representation used by the form (maybe an ID?). Isn't that incredibly inefficient? You already had the objects you wanted to pick one from. If you submited to the form the whole objects, and then returned a specific object, you wouldn't have to refind it later on since the form already returned a reference to that object. Moreover, if I'm wrong and you actually should send the whole object to the form, how can I isolate UI from logic?

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  • Why would an IE8 in a desktop has a 'Tablet PC 2.0' in its user-agent string?

    - by ultrajohn
    I am just curious, why would a windows 7 desktop, installed with ie8, have Tablet PC 2.0 in its user agent string. Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; Tablet PC 2.0) Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; Tablet PC 2.0) Is this a feature in Windows 7, how can I turn this off in IE8? Other browsers on the same computer don't have such string in the user-agent string they send. As a result, one of our web application confuses this particular desktop client as a mobile (because of the tablet), hence returns the mobile version of our website to it. Thank you!

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  • Urlscan 3.1 block User Agent

    - by Benjamin
    I need to block requests from certain User Agents to our Sharepoint Environment that have been identified after going through the IIS logs. I have tried the below by amending the urlscan.ini config file and doing and iisreset, but it doesn't block anything. Am I entering the correct strings? I'm copying user agent string from the iis logs http://blogs.msdn.com/rakkimk/archive/2009/06/12/urlscan-rejecting-the-request-depending-on-the-user-agent-string.aspx

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  • IPv6 multicast addresses: Is the Group ID field effectively 112 bits or 32 bits?

    - by Jeremy Friesner
    Hi all, I'm trying to understand the rules for choosing an IPv6 multicast address Group ID, and the RFC seems somewhat inconsistent. For example, in RFC 2373 section 2.7 this diagram is shown: | 8 | 4 | 4 | 112 bits | +------ -+----+----+---------------------------------------------+ |11111111|flgs|scop| group ID | +--------+----+----+---------------------------------------------+ ... but then in section 2.7.2 it shows this: | 8 | 4 | 4 | 80 bits | 32 bits | +------ -+----+----+---------------------------+-----------------+ |11111111|flgs|scop| reserved must be zero | group ID | +--------+----+----+---------------------------+-----------------+ So my question is, are the upper 80 bits of the Group ID field usable or not? If they are usable, is it only under certain circumstances (e.g. when using non-Ethernet networking technology?) What problems should I expect to experience if I set these bits when multicasting over an Ethernet LAN?

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  • User management API

    - by Akshey
    Hi, I am developing an application suite where users will need to connect to a server and depending on their account type they will be given some services. The server will run Linux. Can you please suggest me some user management API which I can use to develop the server program? By user management I mean user authentication and other related functionalities. I prefer to work in C++ or python, but any other language should not be a problem. Please note that this application suite is not web based. Due to security issues, I do not want to give each user a separate account on the linux server. Thanks, Akshey

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  • SugarCRM - how to customize user management tools?

    - by John
    I'm new to using SugarCRM. I want to have a users page that does the following: 1) allow a user to create sub-users, and each sub-user can then create additional sub users 2) display users in an expandable and collapse-able hierarchical tree structure. 3) add more attributes to each user Does anyone know how to do this? Or if they can recommend tutorials/resources for me to study?

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  • ModalPopup CodeBehind Function Wait For User Response

    - by Snave
    I have set up a function which returns an enum of the button that the user clicked in the ModalPopup. I have a variable of type enum to store which button the user clicks in the button click event. In this function, I call the ModalPopupExtender's Show() method. My problem is, the function finishes out and returns the default enum (which is "none" since no button was clicked yet) before the ModalPopup can be shown and store which button the user clicks. So without changing the function to a method and using a different way to store the user's button click, how can I pause the function after the Show() method of the MPE has been called and wait for the user to click a button? Edit(11/20/2009): Clarification: On the aspx page, I include a ScriptManager, PlaceHolder, and an asp:Button with a codebehind click event. What I want is to click the button, then in the click event handler, I want to call a custom static class function that returns a variable. One of the arguments it takes is the PlaceHolder. The function creates all the necessary controls in the PlaceHolder needed to display a ModalPopup. It calls the created ModalPopupExtender's Show() method. What should happen: At this point is the ModalPopup gets displayed, the user clicks a button, that button's event handler fires, the button sets a variable indicating that it was clicked, it then calls the ModalPopupExtender's .Hide() method, and then the function returns the variable that indicates which button was clicked. We then return to the event handler from the original button that was clicked and the programmer can then perform some logic based on what variable was returned. Crux: When the ModalPopupExtender's .Show() method gets called, it does not display the ModalPopup until AFTER the function returns a default variable (because no button was clicked yet) and after the event handler from the original button that was clicked ends. What I need: After the ModalPopupExtender's .Show() method is called, I need the ModalPopup to get displayed immediately and I need the function to wait for a button click to be made from the ModalPopup. My thoughts: Some PostBack needs to be made to the page telling it to update and display the ModalPopup Panel. Then maybe a while loop can be run in the function that waits for a button to be clicked in the ModalPopup.

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  • SQL 2000 Not Supported by .NET Framework Data Provider for SQL Server in VS2010's Server Explorer D

    - by Canoehead
    Just tried creating a data connection to a SQL 2000 database in VS2010's Server Explorer using a .NET Framework Data Provider for SQL Server (versus OLE) and found that it didn't work. VS2010 complained that I had to use SQL Server 2005 and up. This used to work in VS2008 (using .NET Framework Data Provider for SQL Server instead of the .NET Framework Data Provider for OLE DB). Is this just a VS2010 restriction or has the ability to connect to SQL 2000 with .NET Framework Data Provider for SQL Server been obsoleted in a post-2.0 version of .NET being used by VS2010? Anyone know why this was done by MS (please don't speculate - I can do that myself ;)?

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  • Synchronizing two SQL Server databases using MS Sync Framework

    - by Immortal
    I have one central SQL Server database which can be offline from time to time. I have a desktop application using Local DB Cache (SQL CE) to synchronize with the central database and I also have a web application with its own SQL Server that I'd also would like to keep synchronized. All synchronizations must be bidirectional. Is there a way to synchronize my central database with web application's database in the same way as I synchronize my central database with desktop client? I know about collaboration scenarios and peer-to-peer synchronization but I would like to avoid manual provisioning of databases. I'd like to use integrated sql server 2008 change tracking just like in the SQL CE <-- SQL Server scenario.

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  • Idea for a user friendly/non technical RAD tool for performing queries and reports on Database

    - by pierocampanelli
    I am investigating for a tool that allows a user to perform in a user friendly way queries to database for extracting datas and creating reports. Primary requirement is that we can't know queries users are going to do. So we need to design a flexible UI allowing them to specify in a non technical way. My question is: do you know any tool that does something similar? Have you some inspiring user interface?

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  • SQL group and order

    - by John Lambert
    I have multiple users with multiple entries recording times they arrive at destinations Somehow, with my select query I would like to only show the most recent entries for each unique user name. Here is the code that doesn't work: SELECT * FROM $dbTable GROUP BY xNAME ORDER BY xDATETIME DESC This does the name grouping fine, but as far as showing ONLY their most recent entry, is just shows the first entry it sees in the SQL table. I guess my question is, is this possible? Here is my data sample: john 7:00 chris 7:30 greg 8:00 john 8:15 greg 8:30 chris 9:00 and my desired result should only be john 8:15 chris 9:00 greg 8:30

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  • Setting user agent of a java URLConnection

    - by diglettpotato
    I'm trying to parse a webpage using Java with URLConnection. I try to set up the user-agent like this: java.net.URLConnection c = url.openConnection(); c.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2"); But the resulting user agent is the one I specify, with "Java/1.5.0_19" appended to the end. Is there a way to truly set the user agent without this addition?

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  • Django query: Count and Group BY

    - by Tyler Lane
    I have a query that I'm trying to figure the "django" way of doing it: I want to take the last 100 calls from Call. Which is easy: calls = Call.objects.all().order_by('-call_time')[:100] However the next part I can't find the way to do it via django's ORM. I want to get a list of the call_types and the number of calls each one has WITHIN that previous queryset i just did. Normally i would do a query like this: "SELECT COUNT(id),calltype FROM call WHERE id IN ( SELECT id FROM call ORDER BY call_time DESC LIMIT 100 ) GROUP BY calltype;" I can't seem to find the django way of doing this particular query. Here are my 2 models: class Call( models.Model ): call_time = models.DateTimeField( "Call Time", auto_now = False, auto_now_add = False ) description = models.CharField( max_length = 150 ) response = models.CharField( max_length = 50 ) event_num = models.CharField( max_length = 20 ) report_num = models.CharField( max_length = 20 ) address = models.CharField( max_length = 150 ) zip_code = models.CharField( max_length = 10 ) geom = models.PointField(srid=4326) calltype = models.ForeignKey(CallType) objects = models.GeoManager() class CallType( models.Model ): name = models.CharField( max_length = 50 ) description = models.CharField( max_length = 150 ) active = models.BooleanField() time_init = models.DateTimeField( "Date Added", auto_now = False, auto_now_add = True ) objects = models.Manager()

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  • Problems in user - registration module in DRUPAL

    - by Nitz
    Hello Guys, I have some problem in drupal registration page. I want to change whole user registration page. in registration module i want to add new field type. Bcz i want that user can choose the date from date-time picker. I have ready date-time picker which i have implement, but i don't know where to put that code. I want to add validation on new added text fields. Means i have added one text field for Phone no, so now i want to check if user had only entered the numbers.....in new user registration page. Thanks in advance Nitish

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  • Database tools

    - by L G
    Hi, Can any one out there suggest a microsoft tool similar to Red Gate's sql promt,sql compare,sql data compare etc.Any help is appreciated.Thanks

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