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  • SQL Select queries

    - by sds
    Which is better and what is the difference? SELECT * FROM TABLE_A A WHERE A.ID IN (SELECT B.ID FROM TABLE_B B) or SELECT * FROM TABLE_A A, TABLE_B B WHERE A.ID = B.ID

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  • Can't set up IIS Web Server on Server 2008 x64 correctly (what have I missed?)

    - by balexandre
    Using a VM I installed Windows 2008 Server x64 and as the image below shows, added the IIS Role full image and assigned all role features of IIS full image But if I have an ASP.NET (aspx) page that does (C#) Session["test-session"] = "A"; and read in other page I always get nothing! NOTE: I do have an entire ASP.NET web application, the example above is to be succinct and explicit on what is the problem I'm facing. Can anyone know what do I have to do to the Server, so I can use the Session variables? All help is greatly appreciated, Thank you

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  • how to insert based on the date

    - by Gaolai Peng
    I have a table table1 (account, last_contact_date, insert_date), account and last_contact_date are primary keys. The insert_date is set with the time the recored being added by calling getdate(). I also have a temporary table #temp(account, last_contact_date) which I use to update the table1. Here are sample data: table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 #temp account last_contact_date 1 2012-09-27 2 2012-09-27 3 2012-08-01 The result table depends on the inserting date. If the date is 2012-09-28, the result will be table1 account last_contact_date insert_date 1 2012-09-27 2012-09-28 2 2012-09-27 2012-09-28 3 2012-09-01 2012-09-28 If the date is 2012-09-29, the result will be table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 1 2012-09-27 2012-09-29 2 2012-09-27 2012-09-29 Basically the rule is (1) if the inserting date is the same day, i will pick the lastest last_contact_date, otherwise, (2) if the last_contact_date is later than the current last_contact_date, I will insert a new one. How do I write a query for this insert?

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  • Bypassing Browser popup blocking when automatic session timout occurs

    - by Joseph
    Hi all, Please help regarding the following issue. I have enabled the "Block popup" option in browser. We are doing a session validation using a background ajax call to check the session is active or not. If the session is not active for a desired interval a popup window will come for notification. Now comming to the problem . since the session notification popup is comming automatically without any client interaction, This popup is blocked by the browser. But if a client clicks anyother popup window in the form that popup window will not be blocked by the browser.

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  • Copy 2 databases without detach in SQL 2005

    - by molgan
    Hello I have a server with live databases, and I have a test-server where I sometimes restore databases from the live one, to get fresh data. But this way I have to set up all the users again, I have about 4 different users with different permissions that need set again. Is there some way to do this a better way without using detach and attach, since I cant take the databases offline on the live-server? Prefered some thing I could run that "re-fills" the tables with fresh data. No need to redo stored procedures and rights. /M

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  • Return number of rows affected by SQL UPDATE statement in Java

    - by Krt_Malta
    I'm using a MySQL database and accessing it through Java. PreparedStatement prep1 = this.connection.prepareStatement("UPDATE user_table SET Level = 'Super' WHERE Username = ?"); prep1.setString(1, username); The update statement above works fine however I'd like to get the number of rows affected with this statement. Is this possible please?

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  • SQL Server: Mitigating schema changes/upgrades

    - by bradhe
    I haven't spent a ton of time researching this yet, mostly looking for best practices on upgrading/changing DB schemas. We're actively developing a new product and as such we often have additions or changes to our DB schema. We also have many copies of the DB -- one for the test environment, one for the prod environment, dev environments, you name it. We don't really want to have to blow away test data every time we want to make a change to the DB. Are there good ways of automating this or handling this? None of us have really ever had to deal with this so...

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  • How to track auto-generated id's in select-insert statement

    - by k rey
    I have two tables detail and head. The detail table will be written first. Later, the head table will be written. The head is a summary of the detail table. I would like to keep a reference from the detail to the head table. I have a solution but it is not elegant and requires duplicating the joins and filters that were used during summation. I am looking for a better solution. The below is an example of what I currently have. In this example, I have simplified the table structure. In the real world, the summation is very complex. -- Preparation create table #detail ( detail_id int identity(1,1) , code char(4) , amount money , head_id int null ); create table #head ( head_id int identity(1,1) , code char(4) , subtotal money ); insert into #detail ( code, amount ) values ( 'A', 5 ); insert into #detail ( code, amount ) values ( 'A', 5 ); insert into #detail ( code, amount ) values ( 'B', 2 ); insert into #detail ( code, amount ) values ( 'B', 2 ); -- I would like to somehow simplify the following two queries insert into #head ( code, subtotal ) select code, sum(amount) from #detail group by code update #detail set head_id = h.head_id from #detail d inner join #head h on d.code = h.code -- This is the desired end result select * from #detail Desired end result of detail table: detail_id code amount head_id 1 A 5.00 1 2 A 5.00 1 3 B 2.00 2 4 B 2.00 2

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  • sql stored procedure in visual studio 2008

    - by Greg
    Hi, I want to write stored procedure in visual studio that as a parameter recieves the name of project and runs in database TT and copies data from TT.dbo.LCTemp (where the LC is the name of the project recieved as a parameter) table to "TT.dbo.Points" table. both tables have 3 columns: PT_ID, Projectname and DateCreated I think I have written it wrong, here it is: ALTER PROCEDURE dbo.FromTmpToRegular @project varchar(10) AS BEGIN declare @ptID varchar(20) declare @table varchar(20) set @table = 'TT.dbo.' + @project + 'Temp' set @ptID = @table + '.PT_ID' Insert into TT.dbo.Points Select * from [@table] where [@ptID] Not in(Select PT_ID from TT.dbo.Points) END Any idea what I did wrong? Thanks! :) Greg

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  • tricky SQL when joining

    - by Erik
    I've two tables, shows and objects. I want to print out the latest objects, and the shownames for them. Right now I'm doing it this way: SELECT MAX(objects.id) as max_id, shows.name, shows.id FROM shows, objects WHERE shows.id = objects.showId GROUP BY shows.name however, if I also want to fetch the episode of the object I can't put it like SELECT object.episode [...], because then wont automatically select the object which is MAX(objects.id), so my question is how to do that? If you haven't already figured out my tables they're like this: Shows id name and also: Objects id name episode season showId Using MySQL. Thanks!

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  • SQL Count in View as column

    - by alex
    I'm trying to get the result of a COUNT as a column in my view. Please see the below query for a demo of the kind of thing I want (this is just for demo purposes) SELECT ProductID, Name, Description, Price, (SELECT COUNT(*) FROM ord WHERE ord.ProductID = prod.ProductID) AS TotalNumberOfOrders FROM tblProducts prod LEFT JOIN tblOrders ord ON prod.ProductID = ord.ProductID This obviously isn't working... but I was wondering what the correct way of doing this would be?

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  • Mass update of data in sql from int to varchar

    - by Christopher Kelly
    we have a large table (5608782 rows and growing) that has 3 columns Zip1,Zip2, distance all columns are currently int, we would like to convert this table to use varchars for international usage but need to do a mass import into the new table convert zip < 5 digits to 0 padded varchars 123 becomes 00123 etc. is there a way to do this short of looping over each row and doing the translation programmaticly?

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  • Stored proc executes >30 secs when called from website, but <1 sec when called from ssms

    - by Blootac
    I have a stored procedure that is called by a website to display data. Today the web page has started timing out so I got profiler going and saw the query that was taking too long. I then ran the same query in management studio, under the same user login, and it takes less than a second to return. Is there anything obvious that could be causing this? I can't think of a reason why when ASP calls the stored proc it takes 30 secs but when I call it it's fine. Thanks

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  • Pass a variable into a trigger

    - by Codesleuth
    I have a trigger which deals with some data for logging purposes like so: CREATE TRIGGER trgDataUpdated ON tblData FOR UPDATE AS BEGIN INSERT INTO tblLog ( ParentID, OldValue, NewValue, UserID ) SELECT deleted.ParentID, deleted.Value, inserted.Value, @intUserID -- how can I pass this in? FROM inserted INNER JOIN deleted ON inserted.ID = deleted.ID END How can I pass in the variable @intUserID into the above trigger, as in the following code: DECLARE @intUserID int SET @intUserID = 10 UPDATE tblData SET Value = @x PS: I know I can't literally pass in @intUserID to the trigger, it was just used for illustration purposes.

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  • SQL Join query help

    - by lostInTransit
    Hi I have 2 tables A and B with the following columns Table A - id,bId,aName,aVal Table B - id,bName where A.bId is the same as B.id. I want a result set from a query to get A.id, A.aName, B.bName where A.bId=B.id OR A.id, A.aName, "" when A.bId=0. In both cases, only those records should be considered where A.aVal LIKE "aVal" Can someone please help me with the query? I can use left join but how do I get the blank string if bId=0 and B.bName otherwise? Thanks

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  • Parse multiple filters in SQL

    - by Jeff Meatball Yang
    I have a problem parsing a stored procedure parameter in the form: declare @S varchar(100) set @S = '4=2,24=1534' Here's the query: select cast(idx as varchar(100)) 'idx' , value , SUBSTRING(value, 1, charindex(value, '=')+1) 'first' , SUBSTRING(value, charindex(value, '=')+1, LEN(value)-charindex(value, '=')-1) 'second' from Common.SplitToTable(@S, ',') -- returns (idx int, value varchar(max)) where len(value) > 0 But here is the result I get: idx value first second 0 4=2 4 4= 1 24=1534 2 24=153 Here's what I expected: idx value first second 0 4=2 4 2 1 24=1534 2 1534 Help?

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  • sql select with exact outcome

    - by Shiro
    Asking a simple question, just want everyone have fun to solve it. I got 2 tables. 1. Student 2. Course Student +----+--------+ | id | name | +----+--------+ | 1 | User1 | | 2 | User2 | +----+--------+ Course +----+------------+------------+ | id | student_id | course_name| +----+------------+------------+ | 1 | 1 | English | | 2 | 1 | Chinese | | 3 | 2 | English | | 4 | 2 | Japanese | +----+------------+------------+ I would like to get the result all student, who have taken English and Chinese, NOT English or Chinese. Expected result: +----+------------+------------+ | id | student_id | course_name| +----+------------+------------+ | 1 | 1 | English | | 2 | 1 | Chinese | +----+------------+------------+ What we normally do is select * from student join course on (student.id = course.student_id) WHERE course_name = 'English' OR course_name = 'Chinese' but in this result I can get User2 record which is not my expected result. I want the record only display the User take the course English+Chinese only.

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  • SQL Querying for Threaded Messages

    - by Harper
    My site has a messaging feature where one user may message another. The messages support threading - a parent message may have any number of children but only one level deep. The messages table looks like this: Messages - Id (PK, Auto-increment int) - UserId (FK, Users.Id) - FromUserId (FK, Users.Id) - ParentMessageId (FK to Messages.Id) - MessageText (varchar 200) I'd like to show messages on a page with each 'parent' message followed by a collapsed view of the children messages. Can I use the GROUP BY clause or similar construct to retrieve parent messages and children messages all in one query? Right now I am retrieving parent messages only, then looping through them and performing another query for each to get all related children messages. I'd like to get messages like this: Parent1 Child1 Child2 Child3 Parent2 Child1 Parent3 Child1 Child2

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  • sum of Times in SQL

    - by LIX
    Hello all, I have some records like this: ID Personel_Code Time --- ------------- ------ 1 0011 05:50 3 0011 20:12 4 0012 00:50 I want to have the sum of times for each person. in this example I want to have the result like this : Personel_Code Time ------------- ----- 0011 26:02 0012 00:50 Thank you.

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  • Difficulty restoring a differential backup in SQL Server, 2 media families are expected or no files are ready for rollforward

    - by digiguru
    I have sql backups copied from server A to server B on a nightly basis. We want to move the sql server from server A to server B without much downtime, but the files are very large. I assumed that performing a differential backup and restore would solve the problem with the databases. Copy full backup from server A to copy to server B (10+gb) Open SQL Server Managment Studio on server B Right mouse on databases Restore Database Type in the new DB-name Choose "From Device" and browse to the backup file Click Okay. This is now resorting the original "full" backup. Test new db with dev application - everything works :) On original database rightmouse on DB Tasks Backup... Backup Type = Differential, Backup to disk, add a new file, and remove the old one (it needs to be a small file to transfer for the smallest amount of outage) Copy the diff backup onto the new db Right mouse on DB Tasks Restore Database This is where I get stuck. If I add both the new differential file, and the original backup to the restore process I get an error The media loaded on "M:\path\to\backup\full.bak" is formatted to support 1 media families, but 2 media families are expected according to the backup device specification. RESTORE HEADERONLY is terminating abnormally. But if I try to restore using just the differential file I get System.Data.SqlClient.SqlError: The log or differential backup cannot be restored because no files are ready to rollforward. (Microsoft.SqlServer.Smo) Any idea how to do it? Is there a better way of restoring backups with limited downtime?

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