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• Select 5, 10, 15, 20 and so on with LINQ

  - by Johan Leino

  Hey guys, I want to display items in a dropdownlist like 5%, 10%, 15%, 20% until 100. Is there a way to bind an intelligent LINQ query to the datasource that will do this for me?

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• Get previous and next row from current id

  - by Hukr

  How can I do to get the next row in a table? `image_id` int(11) NOT NULL auto_increment `image_title` varchar(255) NOT NULL `image_text` mediumtext NOT NULL `image_date` datetime NOT NULL `image_filename` varchar(255) NOT NULL If the current image is 3 for example and the next one is 7 etc. this won’t work: $query = mysql_query("SELECT * FROM images WHERE image_id = ".intval($_GET['id'])); echo $_GET['id']+1; How should I do? thanks

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• mysql rollback when auto commit is on

  - by devang

  hi, by mistake i fired a update query and all the records in the table in dat field got updated nd also cannot rollback as auto_commit is on..is der ny other way in which i can retreive the records.plz help its urgent.. Thanks in advance

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• Filter on count(*) in oracle

  - by chris

  I have a grouped query, and would like to filter it based on count(*) Can I do this without a subquery? This is what I have currently: select * from (select ID, count(*) cnt from name group by ID) where cnt > 1;

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• Oracle: how to "group by" over a range?

  - by Mark Harrison

  If I have a table like this: pkey age ---- --- 1 8 2 5 3 12 4 12 5 22 I can "group by" to get a count of each age. select age,count(*) n from tbl group by age; age n --- - 5 1 8 1 12 2 22 1 What query can I use to group by age ranges? age n ----- - 1-10 2 11-20 2 20+ 1

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• Problem with libxml2 and Unicode char in XML Soap with Qotes (") and &amp;quot;

  - by x2on

  I'm using libxml2 for SOAP-Actions in an iPhone App. The big problem is that i want send an SQL-Statement with NSString *query = @"SELECT test FROM database WHERE test = \"string\"" But libxml2 converts the qotes " into &amp;quot; Any ideas how to prevent this?

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• Oracle equaivalent of java System.currentTimeMillis()?

  - by Gaurav

  Hi, I want to be able to store the current time in millis in an oracle number field. How do I do this via a query? select systimestamp from dual; returns the actual timestamp. Is there anyway that I can convert this into milliseconds the same way java's System.currentTimeMillis() does?

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• deadlocked on lock | communication buffer resources

  - by Robert Wilkinson

  Do all deadlocks indicate a problem with the query or does this kind deadlock indicate a problem with something else like SQL mail or something? The stored proc in question uses SQL mail.

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• How do I use cvs to compare two points in time on a branch?

  - by andrewducker

  I can use something like: cvs.exe rdiff -D2010-03-23 -D2010-03-24 -s "ProjectName" to get the changes which occurred on the 23rd. But I want to get the changes that were checked in on the 23rd on a specified branch - and if I add in a -v branchv1-0-0-0 into that it tells me I can't have more than two dates/revisions in one query. Any suggestions?

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• How to adjust SQL LIKE function?

  - by slave016

  I want to make this kind of query: create procedure something @name varchar(13) as begin select * from WORKER where NAME LIKE "%@name%" end For input @name=ho, I want output every row that contains NAME wich sounds "ho", for example HOuse, soHO, broHOw...

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• Sharepoint 2007: How to define the content type of a listitem using webservices

  - by AnnVB

  I'm create a list item via ASP.Net to be published automatically on Sharepoint. However, I cannot find how to define the content type via the CAML query.

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• How do I TRUNCATE TABLE using Django orm?

  - by Silver Light

  Hello! To empty database table, I use this SQL Query: TRUNCATE TABLE `books` How to I Truncate table using Django models and orm? I've tried this, but it doesn't work: Book.objects.truncate()

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• Check checkbox checked property using jQuery

  - by Prasad

  I need to check the checked property of a checkbox and perform an action based on the checked property using jQuery. For example, if the age checkbox is checked, then I need to show a textbox to enter age, else hide the textbox. But the following code returns false by default: if($('#isAgeSelected').attr('checked')) { $("#txtAge").show(); } else { $("#txtAge").hide(); } How do I successfully query the checked property?

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• Is there any sql interpreter for objects?

  - by Behrooz

  Is there any interpreter that takes a string or even a custom object as input and execute it on my datasource? I cannot use linq to object because query always changes and the report i'm working on, has about 6000 queries which i can reduce to 9 if i find some tool doing that for me. Opensource is very applicable. thanks in advance.

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• SELECT GROUP BY latest entry in INBOX msg sent by user

  - by Mohatir S

  i am building a simple PM for my personal website where a user can join and send message to the registered users on my website, i am stuck in grouping and selecting latest user (by latest msg time) in INBOX page my table : id msg_from msg_to msg date in_del out_del i want to show latest user's id each in a group here is my SQL query : SELECT ttalk.id, ttalk.msg_from, users.first_name, users.last_name FROM ttalk INNER JOIN users ON ttalk.msg_from = users.id WHERE ttalk.msg_to = '$_SESSION[user_id]' AND ttalk.in_del='0' GROUP BY ttalk.msg_from DESC LIMIT 500 Thanks in advance :-)

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• How can you tell which columns are unused in ALL_TAB_COLS?

  - by thecoop

  When you query the ALL_TAB_COLS view on Oracle 9i, it lists columns marked as UNUSED as well as the 'active' table columns. There doesn't seem to be a field that explicitly says whether a column is UNUSED, or any view I can join to that lists the unused columns in a table. How can I easily find out which are the unused columns, so I can filter them out of ALL_TAB_COLS?

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• Rails 2.3: How to turn this SQL statement into a named_scope

  - by randombits

  Having a bit of difficulty figuring out how to create a named_scope from this SQL query: select * from foo where id NOT IN (select foo_id from bar) AND foo.category = ? ORDER BY RAND() LIMIT 1; Category should be variable to change. What's the most efficient way the named_scope can be written for the problem above?

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• JPA: How do I get a scalar result of type Long-- not BigNumber-- from Oracle NUMBER?

  - by rektide

  The default mapping from an Oracle NUMBER value is into BigNumber... How can I get a scalar result query to return a Long instead?

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• Database design for business numbers

  - by Rob Morris

  I'm in need of some help, I need to store the information below into a database, what would the relational database structure be for this: Then I need to create a dropdown for the insurance company followed by another dropdown depending on what the first dropdown selected value was, then once both selects have been chosen display the relevant telephone number. I guess i need to query the database, then display the dropdowns using javascript(jquery) or Ajax?

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• mysql condition to select empty fulltext cell?

  - by significance

  i need write a select query to find the number of rows which have an empty fulltext field but for some reason both: select count(id) from table where field is null; and select count(id) from table where field = ""; don't seem to work! what else is there?!

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• saving the FOR XML AUTO results to variable in SQL

  - by petergo

  select @[email protected]('*') for xml raw,type Above statement will generate following alert: Msg 6819, Level 16, State 3, Line 2 The FOR XML clause is not allowed in a ASSIGNMENT statement.

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• How to get final destination URL from AJAX?

  - by Maurice Lam

  When I do an XMLHttpRequest, I always get redirected automatically to the URL (presumably by the headers of the response). For example, if I query "http://www.stackoverflow.com" I will be redirected to "http://stackoverflow.com". How can I get that final URL? (http://stackoverflow.com/ in the example) I checked in the response headers but I cannot seem to find it. (I just used the GET/POST method not HEAD).

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• News Portals and mysql queries

  - by jasmine

  Consider a news portal like cnn. There is 8 categories. Is there 8 query in every page loading? For eg SELECT title FROM category where cID = 1 SELECT title FROM category where cID = 2 ................... And for sites with high traffic, would be memcache a good solution? Thanks in advance

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• Linq-to-Entities Dynamic sorting

  - by verror

  This is my query, how can I use string as orderby parameter? string sortColumn="Title"; var items = (from ltem in ctxModel.Items where ltem.ItemID == vId orderby //something here select ltem).Skip(PageSize * PageIndex).Take(PageSize);

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• How to test if table was updated in Zend Framework?

  - by AD

  When user opens a form to modify a record, but instead of changing information, he just clicks the Update button. Which causes the update() function to return 0. However, I consider this case a valid update task. How would I test it, so I can assign a success message? Is update() returns -1 when SQL query failed or also 0? Method: Zend_Db_Table_Abstract::update() Any ideas? Thanks

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