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• Daily/Weekly/Monthly Record Count Search via StoredProcedure

  - by user270960

  Using MS SQL Server.I have made a Stored Procedure naming "SP_Get_CallsLogged". I have a table named "TRN_Call", and it has one column named "CallTime" which is a DateTime. I have a web-page in my application where the User enters:- 1.StartDate (DateTime) 2.EndDate (DateTime) 3.Period(Daily/Weekly/Monthly) (varchar) (from DropDownList) I want to get the Record Count of those calls in my table *TRN_Call* on the basis of the specified Period(Daily/Weekly/Monthly) selected by user in the DropDownList. e.g. StartDate ='1/18/2010 11:10:46 AM' EndDate ='1/25/2010 01:10:46 AM' Period =Daily So the record count between these above mentioned dates(StartDate+EndDate) should come in a manner so that I can refer to those counts separately i.e. the following:- Date 1/18/2010 Records Found 5 Date 1/19/2010 Records Found 50 Date 1/20/2010 Records Found 15 Date 1/21/2010 Records Found 32 Date 1/22/2010 Records Found 12 Date 1/23/2010 Records Found 15 Date 1/24/2010 Records Found 17 Date 1/25/2010 Records Found 32 and send those Counts to the Web Application so that these counts could be listed then in the Crystal Reports.

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• Cursors vs Procedures in SQL

  - by CogitoErgoSum

  So, I just learned about CURSORS but still don't exactly grasp them. What is the difference between a cursor and procedure or even a function? So far from the various examples (DECLARE CURSOR ... SELECT ... FROM ...) It seems at most its a variable to hold a query. Is the data real time, or a snapshot of when the cursor was declared? i.e. I have a table with one row and one col with a value of 2. I do DECLARE CURSOR ... SELECT * FROM table1 I then insert a new row with a value of 3. When I run the cursor, would I Just get the one row from before the cursor was declared, or both rows? Thanks

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• Simplest way to use a DatagridView with Linq to SQL

  - by Martín Marconcini

  Hi, I have never used datagrids and such, but today I came across a simple problem and decided to "databind" stuff to finish this faster, however I've found that it doesn't work as I was expecting. I though that by doing something as simple as: var q = from cust in dc.Customers where cust.FirstName == someString select cust; var list = new BindingList<Customer>(q.ToList()); return list; Then using that list in a DataGridView1.DataSource was all that I needed, however, no matter how much I google, I can't find a decent example on how to populate (for add/edit/modify) the results of a single table query into a DataGridView1. Most samples talk about ASP.NET which I lack, this is WinForms. Any ideas? I've came across other posts and the GetNewBindingList, but that doesn't seem to change much. What am I missing (must be obvious)? Thanks in advance. Martin.

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• How to virtually delete data from multiple tables that are linked by a foreign key ?

  - by Shantanu Gupta

  I am using Sql Server 2005 This is a part of my database diagram. I want to perform deletion on my database which will start from tblDomain up tp tblSubTopics. Consider that each table has IsDeleted column which has to be marked true if request was made to delete data. But that data shoud remain their physically. Tables which will have IsDeleted Column are tblDomain tblSubject tblTopic tblSubTopic Now I want, if a user marks one domain as deleted then all the refrence field should also get marked as deleted. i.e. 1 domain is related to 5 subjects, those 5 subjects are related to 25 topics, those 25 topics are related to 500 subtopics and so on. Then how should i mark all these fileds as Deleted. ?

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• SQL Server Import table keeping default values

  - by Chrissi

  I am importing a table from one database to another in SQL Server 2008 by right-clicking the target database and choosing Tasks Import Data... When I import the table I get the column names and types and all the data fine, but I lose the primary key, identity specifications and all the default values that were set in the source table. So now I have to set all the default values for each column again manually. Is there any way to get the default values with the import, or even after with a Query? I am VERY new to this and flailing in the dark, so forgive me if this is a really stupid question...

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• SQL Server, Generate scripts, unencrypted stored procedures only

  - by PeterO

  I have a SQL Server database with 3195 stored procedures. Most (approx 90%) of the stored procedures are encrypted (it's a 3rd party app) but there are many that are not encrypted (added by consultants later). I need to get an overview of the unencrypted stored procedures created by consultants and then apply fixes so that they can work with UTC time. I use Generate Scripts and select only stored procedures but that fails. I assume that is because the first stored procedure that it tries to write out is encrypted. Is there a way to write out the approx 300 stored procedures that are not encrypted?

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• SQL syntax problem (multiple selects)

  - by user279521

  I am having problems retrieving accurate data values with my stored proc query below: CREATE PROCEDURE usp_InvoiceErrorLog @RecID int AS DECLARE @ErrorString as varchar(1000), @ErrorCode as int; Select @ErrorCode = ErrorCode from tbl_AcctRecv_WebRpt Where RecID = @RecID; IF NOT(@ErrorCode = NULL) Begin Select @ErrorString = ErrorDesc from tbl_ErrDesc Where ErrorCode = @ErrorCode End Select RecID, VendorNum, VendorName, InvNum, InvTotal, (SELECT CONVERT(VARCHAR(11), InvDate, 106) AS [DD MON YYYY]) As InvDate, TicketRequestor, ErrorCode, @ErrorString as ErrorDesc from tbl_AcctRecv_WebRpt Where RecID = @RecID The ErrorDesc column (in the final select statement at the bottom) returns a NULL value, when it should return a valid string data. Any ideas?

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• Nested sql queries in rails when :has_and_belongst_to_many

  - by Godisemo

  Hello, In my application I the next task that has not already been done by a user. I have Three models, A Book that has many Tasks and then I have a User that has has and belongs to many tasks. The table tasks_users table contains all completed tasks so I need to write a complex query to find the next task to perform. I have came up with two solutions in pure SQL that works, but I cant translate them to rails, thats what I need help with SELECT * FROM `tasks` WHERE `tasks`.`book_id` = @book_id AND `tasks`.`id` NOT IN ( SELECT `tasks_users`.`task_id` FROM `tasks_users` WHERE `tasks_users`.`user_id` = @user_id) ORDER BY `task`.`date` ASC LIMIT 1; and equally without nested select SELECT * FROM tasks LEFT JOIN tasks_users ON tasks_users.tasks_id = task.id AND tasks_users.user_id = @user_id WHERE tasks_users.task_id IS NULL AND tasks.book_id = @book_id LIMIT 1; This is what I Have done in rails with the MetaWhere plugin book.tasks.joins(:users.outer).where(:users => {:id => nil}) but I cant figure out how to get the current user there too, Thanks for any help!

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• SQL IDENTITY COLUMN

  - by andreas

  Hey guys i am have an sql table which is basically a statement. Now lest say the records i have in my table have a date and an identity column which is autonumbered and defines the order which the transactions are displayed in the front end to the client. The issue is during an insert some of the data have gone missing and some transactions between two dates are missing. I need to insert the data into the table but i need to insert them between the dates and not at the end of the table.If i do a a normal insert now the data will appear at the end of the table and not at the date i specify because the identity column is autonumbered and cannot be updated. Thanks

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• Use delegate for Projection in Linq to SQL

  - by Redeemed1

  I have code something like this in an IRepository implementation in Linq to Sql: var newlist = from h in list where h.StringProp1 == "1" select new MyBusinessBO{ firstProp = h.StringProp1, secondProp = h.StringProp2 }; The projection into MyBusinessBO is not difificult but when the Business Object has many properties the projection code becomes very lengthy. Also, as the projection can occur in several places in the Repository we break the DRY principle. Is there any way to abstract out the projection or replace it with a delegate? I.e. replace the code firstProp = h.StringProp1, secondProp = h.StringProp2 with something reusable?

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• Alter table add multiple columns ms sql

  - by phenevo

  Is anyone can tell me where is mistake in this query ALTER TABLE Countries ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit, HasText bit); ALTER TABLE Regions ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit HasText bit); ALTER TABLE Provinces ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit HasText bit); ALTER TABLE Cities ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit HasText bit); Alter table Hotels Add { HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit, HasHotelPhotoInReadyStorage bit, HasHotelPhotoInWorkStorage bit, HasHotelPhotoInMaterialStorage bit, HasReporterData bit, HasMovieInReadyStorage bit, HasMovieInWorkStorage bit, HasMovieInMaterialStorage bit }; I get errors: Msg 102, Level 15, State 1, Line 2 Incorrect syntax near '('. Msg 102, Level 15, State 1, Line 9 Incorrect syntax near '('. Msg 102, Level 15, State 1, Line 15 Incorrect syntax near '('. Msg 102, Level 15, State 1, Line 22 Incorrect syntax near '('. Msg 102, Level 15, State 1, Line 29 Incorrect syntax near '{'.

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• Processing a property in linq to sql

  - by Mostafa

  Hi It's my first LINQ TO SQL Project , So definitely my question could be naive . Till now I used to create new property in Business Object beside of every DateTime Property , That's because i need to do some processing in my DateTime property and show it in special string format for binding to UI Controls .Like : private DateTime _insertDate; /// /// I have "InertDate" field in my Table on Database /// public DateTime InsertDate { get { return _insertDate; } set { _insertDate = value; } } // Because i need to do some processing I create a readonly string property that pass InsertDate to Utility method and return special string Date public string PInsertDate { get { return Utility.ToSpecialDate(_insertDate); } } My question is I don't know how to do it in LINQ . I did like follow but i get run time error. ToosDataContext db = new ToosDataContext(); var newslist = from p in db.News select new {p.NewsId,p.Title,tarikh =MD.Utility.ToSpecialDate( p.ReleaseDate)}; GridView1.DataSource = newslist; GridView1.DataBind();

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• C# ASP.NET update SQL database with values from text boxes

  - by Sir Graystar

  Here's what I have. User enters values into text boxes (personal information etc.) and then presses a save changes button. The values in these text boxes get stored in an SQL database. The problem I have is that when updating the database using the values from the text boxes, the page refreshes and the values in the text boxes are lost (or rather they return to the values that are already in the database as the data from the database is loaded into the text boxes on Page_Load). When I update the database using valuse stored in variables it all works fine. What is the best way to update with the values from the text boxes?

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• Formatting when copying SQL data and pasting in Excel

  - by Mary-Chan

  I want to copy a sql result set and paste it in Excel. But the data I paste in to the spreadsheet doesn't want to recognize Excel formatting. So if I change a column to currency, it doesn't do anything. But...if I double click on a cell, THEN it applies the currency format. But only to that cell. How can I make it automatically recognize the Excel format? I must be something I'm missing. Hopefully somebody can help. :-)

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• SQL Server - Compare int values in a select clause

  - by Russell

  This is what I thought would be a simple select clause, however the following is giving me grief! I am using SQL Server 2008. Basically I want to compare two integer values and return the boolean result in the select clause. Here is a simple example: DECLARE @A INT DECLARE @B INT SET @A = 1 SET @B = 2 SELECT @A = @B Currently the only output is "Command(s) completed successfully." Where I reasonably believe it is assigning @A to @B. I thought this would be simple but have not been able to achieve this. Any help would be great! Thanks

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• linq to sql using foreign keys returning iqueryable(of myEntity]

  - by Gern Blandston

  I'm trying to use Linq to SQL to return an IQueryable(of Project) when using foreign key relationships. Using the below schema, I want to be able to pass in a UserId and get all the projects created for the company the user is associated with. DB tables: Projects Projid ProjCreator FK (UserId from UserInfo table) Companyid FK (CompanyID from Companies table) UserInfo UserID PK Companyid FK Companies CompanyId PK Description I can get the iqueryable(of project) when simply getting the ProjectCreator with this: Return (From p In db.Projects _ Where p.ProjectCreator = Me.UserId) But I'm having trouble getting the syntax to get a iqueryable(of projects) when using foreign keys. Below gives me an IQueryable(of anonymous) but I can't seem to convince it to give me an IQueryable(of project) even if I try to cast it: Dim retval = (From p In db.Projects _ Join c In db.Companies On p.CompanyId Equals c.CompanyId _ Join u In db.UserInfos On u.CompanyId Equals c.CompanyId _ Where u.Login = UserId)

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• Prevent sqlite INJECTION ATTACKS on your own iPhone?

  - by Bonnie

  I always take precautions regarding SQL INJECTION ATTACKS when data is saved between someone's iPhone and a remote database on the cloud. But is it also necessary to do the same... when just saving data (using sqlite) from someone's cell phone, to a database that's just on their own phone? What's the worse they can do? Delete their own data (or tables) on their own phone? (If they really try hard enough.) Thanks.

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• Obtain Update Table Lock at start of Stored Procedure in SQL Server

  - by Jim Hurne

  I'm writing a SQL Server stored procedure in which I want to lock a table for update before executing the body of the stored procedure. I don't want to prevent other processes from reading the table, but I do want to prevent other processes updating the table. Here is my first attempt: CREATE PROCEDURE someProcedure BEGIN SET TRANSACTION ISOLATION LEVEL READ COMITTED BEGIN TRANSANCTION SELECT COUNT(*) FROM TheTable WITH (UPDLOCK, TABLOCK) -- Pause procedure so that we can view the locks with sp_lock WAITFOR DELAY '00:15' -- Do stuff COMMIT END When I execute the stored procedure, and invoke sp_lock, I see that the table is indeed locked. However, it's locked with an Exclusive lock instead of an update lock: spid | dbid | ObjId | IndId | Type | Resource | Mode | Status ------------------------------------------------------------------ 63 | 10 | 233208031 | 0 | TAB | | X | GRANT How can I get an update (U) lock instead?

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• LINQ to sql return group by results from method

  - by petebob796

  How do I create a method to return the results of a group by in LINQ to sql such as the one below: internal SomeTypeIDontKnow GetDivisionsList(string year) { var divisions = from p in db.cm_SDPs where p.acad_period == year group p by new { p.Division } into g select new { g.Key.Division }; return divisions; } I can't seem to define a correct return type. I think it is because it's an anonymous type but haven't got my head around it yet. Do I need to convert it to a list or something? The results would just be used for filling a combo box.

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• how to compare/validate sql schema

  - by Ron Harlev

  I'm looking for a way to validate the SQL schema on a production DB after updating an application version. If the application does not match the DB schema version, there should be a way to warn the user and list the changes needed. Is there a tool or a framework (to use programatically) with built-in features to do that? Or is there some simple algorithm to run this comparison? Update: Red gate lists "from $395". Anything free? Or more foolproof than just keeping the version number?

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• Using a temp table in a view

  - by Dave

  Hi Everyone I would really like to create a view. I know you can't use temp tables in MSSQL2005 views. Without rewriting the sql, is there anything obvious I've missed? Backup plan is to use a stored proc. Cheers select * into #temp from vwIncidents SELECT vwIncidents.incidentcode, employeecode, EMPOS.POS_L4_CDA as areaAtTimeOfIncident into #temp1 FROM vwIncidents INNER JOIN EMPOS ON vwIncidents.employeecode = EMPOS.DET_NUMBERA WHERE EMPOS.POS_STARTC < vwIncidents.incidentdate AND (EMPOS.POS_ENDD > vwIncidents.incidentdate OR EMPOS.POS_ENDD IS NULL) order by incidentcode select #temp.*, #temp1.areaAtTimeOfIncident from #temp left outer join #temp1 on #temp.incidentcode = #temp1.incidentcode and #temp.employeecode = #temp1.employeecode order by incidentcode

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• LINQ-to-SQL class doesn't implement INotifyPropertyChanging & INotifyPropertyChanged if pulling from

  - by Traples

  I modified my data source in my LINQ-to-SQL class (by the old delete and drag back in method), and was surprised to see the INotifyPropertyChanging & INotifyPropertyChanged interfaces no longer implemented in the generated classes (MyDb.designer.cs). The methods for the individual fields went from looking like this... [Column(Storage="_Size", DbType="NVarChar(100)")] public string Size { get { return this._Size; } set { if ((this._Size != value)) { this.OnSizeChanging(value); this.SendPropertyChanging(); this._Size = value; this.SendPropertyChanged("Size"); this.OnSizeChanged(); } } } To looking like this... [Column(Storage="_Size", DbType="NVarChar(100)")] public string Size { get { return this._Size; } set { if ((this._Size != value)) { this._Size = value; } } } Any ideas on why this happens and how it will affect my application?

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• SQL Server 2005 stored procedure error

  - by user1670625

  I have created a stored procedure of insert command for employee details in SQL Server 2005 in which one of the parameters is an image for which I have used varbinary as the datatype in the table.. But when I am adding that parameter in the stored procedure I am getting the following error- Implicit conversion from data type varchar to varbinary is not allowed. Use the CONVERT function to run this query. Stored procedure: ( @Employee_ID nvarchar(10)='', @Password nvarchar(10)='', @Security_Question nvarchar(50)='', @Answer nvarchar(50)='', @First_Name nvarchar(20)='', @Middle_Name nvarchar(20)='', @Last_Name nvarchar(20)='', @Employee_Type nvarchar(15)='', @Department nvarchar(15)='', @Photo varbinary(50)='' ) insert into Registration ( Employee_ID, Password, Security_Question, Answer, First_Name, Middle_Name, Last_Name, Employee_Type, Department, Photo ) values ( @Employee_ID, @Password, @Security_Question, @Answer, @First_Name, @Middle_Name, @Last_Name, @Employee_Type, @Department, @Photo ) Table structure: Column Name Data Type Allow Nulls Employee_ID nvarchar(10) Unchecked Password nvarchar(10) Checked Security_Question nvarchar(50) Checked Answer nvarchar(50) Checked First_Name nvarchar(20) Checked Middle_Name nvarchar(20) Checked Last_Name nvarchar(20) Checked Employee_Type nvarchar(15) Checked Department nvarchar(15) Checked Photo varbinary(50) Checked I am not getting what to do..can anyone give me some suggestion or solution? Thanks in advance.

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• Eliminating matching values in a SQL result set

  - by Burgess Taylor

  I have a table with a list of transactions (invoices and credits) and I need to get a list of all the rows where the invoices and credits don't match up. eg user product value bill ThingA 200 jim ThingA -200 sue ThingB 100 liz ThingC 50 I only want to see the third and fourth rows, as the values of the others match off. I can do this if I select product, sum(value) ... group by product having sum(value) < 0 which works well, but I want to return the user name as well. As soon as I add the user to the select, I need to group by it as well, which messes it up as the amounts don't match up by user AND product. Any ideas ? I am using MS SQL 2000... Cheers

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• SQL GROUP BY with "default values"

  - by Christoph Schiessl

  I'm trying to create SELECT statement with a GROUP BY clause, which should return "default values". Imagine the following simple MySQL table: CREATE TABLE `tracker` ( `id` INTEGER PRIMARY KEY auto_increment, `date` DATETIME NOT NULL, `customer_id` INTEGER NOT NULL ); The table contains only one record: INSERT INTO `tracker` (`date`, `customer_id`) VALUES('2010-05-03', 1); After wards I'm executing the following SQL query: SELECT DATE(`date`), COUNT(customer_id) FROM tracker WHERE DATE(`date`) >= '2010-05-01' AND DATE(`date`) <= '2010-05-05' GROUP BY DATE(`date`) ORDER BY DATE(`date`); And get the expected result set: +----+---------------------+-------------+ | id | date | customer_id | +----+---------------------+-------------+ | 1 | 2010-05-10 00:00:00 | 1 | +----+---------------------+-------------+ However, I would like the result set to look like this: +--------------+--------------------+ | DATE(`date`) | COUNT(customer_id) | +--------------+--------------------+ | 2010-05-01 | 0 | | 2010-05-02 | 0 | | 2010-05-03 | 1 | | 2010-05-04 | 0 | | 2010-05-05 | 0 | +--------------+--------------------+ Is it possible to achieve this behavior?

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