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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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• Select the first row in a join of two tables in one statement

  - by Oscar Cabrero

  hi i need to select only the first row from a query that joins tables A and B, on table B exist multiple records with same name. there are not identifiers in any of the two tables. i cannt change the scheme either because i do not own the DB TABLE A NAME TABLE B NAME DATA1 DATA2 Select Distinct A.NAME,B.DATA1,B.DATA2 From A Inner Join B on A.NAME = B.NAME this gives me NAME DATA1 DATA2 sameName 1 2 sameName 1 3 otherName 5 7 otherName 8 9 but i need to retrieve only one row per name NAME DATA1 DATA2 sameName 1 2 otherName 5 7 i was able to do this by adding the result into a temp table with a identity column and the select the Min Id per name. the problem here is that i require to do this in one single statement. this is a DB2 database thanks

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• SQL SELECT across two tables

  - by Brett Spurrier

  Hi there, I am a little confused as to how to approach this SQL query. I have two takes (equal number of records), and I would like to return a column with which is the division between the two. In other words, here is my not-working-correctly query: SELECT( (SELECT v FROM Table1) / (SELECT DotProduct FROM Table2) ); How would I do this? All I want it a column where each row equals the same row in Table1 divided by the same row in Table2. The resulting table should have the same number of rows, but I am getting something with a lot more rows than the original two tables. I am at a complete loss. Any advice?

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• select n largest using LINQ

  - by Mathias

  This is likely a novice question about LINQ, but assuming I have a set of Items with a DateTime property, one date having at most one item, how would I go about selecting the N most recent items from a date of reference, that is, the N items which have a date smaller that the requested date, and the largest date? My naive thought would be to first select items with a date smaller than the reference date, sort by date, and select the N first items from that subset. var recentItems = from item in dataContext.Items where item.Date<=date orderby item.Date descending select item; var mostRecentItems = recentItems.Take(5).ToList(); Is this the "right" way to do it, or are there obviously better ways to achieve my goal?

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• Select columns from join table only without requiring a join

  - by Kent Boogaart

  Given these tables: create table Orders ( Id INT IDENTITY NOT NULL, primary key (Id) ) create table Items ( Id INT IDENTITY NOT NULL, primary key (Id) ) create table OrdersItems ( OrderId INT not null, ItemId INT not null, primary key (OrderId, ItemId) ) Is it possible to use HQL/criteria API to contruct a query that results in the following SQL: SELECT [OrderId], [ItemId] FROM [OrdersItems] I've tried both of these approaches: var hqlResults = session .CreateQuery("select order.id, item.id from Order order inner join order.Items item") .List(); var criteriaResults = session .CreateCriteria<Order>() .CreateAlias("Items", "item", NHibernate.SqlCommand.JoinType.None) .SetProjection(Projections.Property("id"), Projections.Property("item.id")) .List(); But both approaches insist on generating a join (or fail because the join isn't present, in using criteria), resulting in SQL such as: select order.Id, item.Id from Orders order inner join OrdersItems ordersItems on order.Id = ordersItems.ArticleId inner join Items item on ordersItems.CategoryId = item.Id Is there any way to have NHibernate generate a query that selects columns only from the join table, without requiring a join?

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• How to get <select> options either (value or text) using jQuery

  - by Muhammad Sajid

  Hello, i have a code for <select id='list'> <option value='1'>Option A</option> <option value='2'>Option B</option> <option value='3'>Option C</option> </select> and i want that how ever i select any option, it will show in an alert message. i have try <script type='text/javascript'> //var value = $("#list option[value=2]").text(); //var value = $("#list option:selected").text(); //var value = $('#list').val(); var value = $(this).val(); alert(value); </script> but fail.

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• Google API fonts in a select box

  - by Vivek Dragon

  get all available fonts from google font api I like to apply the same function in my Fiddle HTML <select id="styleFont"> <option value="0">Myraid Pro</option> <option value="1">Sans ref</option> <option value="2">Times New Roman</option> <option value="3"> Arial</option> </select> <br> <textarea id="custom_text"></textarea> CSS #custom_text{ resize: none;}? Script $("#styleFont").change(function () { var id =$('#styleFont option' + ':selected').text(); $("#custom_text").css('font-family',id); });? I tried to add the google API fonts in my select box by using https://www.googleapis.com/webfonts/v1/webfonts?key=YOUR-API-KEY how to add this to my html page

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• Using numeric values to select item from a dropdown box with JavaScript

  - by Shyam

  Hi, I have a multitude of dropdown boxes within my webpage. One of these dropdown boxes is used for a single selected value out of a list of options. <SELECT id="Box0" name=""> <OPTION value="0">none</OPTION> <OPTION value="1">first</OPTION> <OPTION value="2">second</OPTION> </SELECT> How can I add an event to this section, so when it is in focus, I could use numeric keys like 1,2.. to select an option instead of using the mouse or arrow keys for selecting an option? For clarification: if I press "1" on my keyboard, the selected value would become "first", with "2" the selected value becomes "second". I choose not to use a library/framework such as JQuery/Mootools. Thanks,

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• Nested mysql select statements

  - by Jimmy Kamau

  I have a query as below: $sult = mysql_query("select * from stories where `categ` = 'businessnews' and `stryid`='".mysql_query("SELECT * FROM comments WHERE `comto`='".mysql_query("select * from stories where `categ` ='businessnews'")." ORDER BY COUNT(comto) DESC")."' LIMIT 3") or die(mysql_error()); while($ow=mysql_fetch_array($sult)){ The code above should return the top 3 'stories' with the most comments {count(comto)}. The comments are stored in a different table from the stories. The code above does not return any values and doesn't show any errors. Could someone please help?

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• Maintaining white space in html select tag

  - by Marius

  Hi, I have a list of strings that I would like to display in a HTML select object. The strings look something like : id - name - description I would like the fields to align however. In PHP I'm using sprintf ("%4s%10s%20s", $id, $name, $description); which works fine. The problem is the multiple spaces is compacted to 1 space in the select list. I tried using the pre and white-space CSS properties of the select box, but it has no effect. Any suggestions?

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• select from varchar2 column with numeric value sometimes gives invalid number error

  - by Rene

  I'm trying to understand why, on some systems, I get an invalid number error message when I'm trying to select a value from a varchar2 column while on other systems I don't get the error while doing the exact same thing. The table is something like this: ID Column_1 Column_2 1 V text 2 D 1 3 D 2 4 D 3 and a query: select ID from table where column_1='D' and column_2 = :some_number_value :some_number_value is always numeric but can be null. We've fixed the query: select ID from table where column_1='D' and column_2 = to_char(:some_number_value) This original query runs fine on most systems but on some systems gives an "invalid number" error. The question is why? Why does it work on most systems and not on some?

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• How to Select Multiple Records from Multiple Tables at Once - SQL Server/C#/.NET/T-SQL

  - by peace

  I have two tables Customer and CustomerPhone. Customer usually has multiple phone numbers, so when i run select statement on customer 101, i will get multiple records due to the multiple phone numbers. As you see below all the "Phone" and "Fax" field belongs to CustomerPhone table. These are considered as two records in the CustomerPhone table whereas the rest of fields relate to Customer table which is a single record. What should i do to fill Phone and Fax field in this case? Should i run select statement on CustomerPhone first and then run select statement on Customer?

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• Show up value of select option in IE

  - by Pete

  Hello, I have a problem with a html select object and its options in IE. My html <select id="Select1" onchange="closeMenu1(this.value)"> <option></option> <option>1</option> <option>2</option> And the javascript function closeMenu1 (x) { var show = document.getElementById("divID"); show.innerHTML = x; } Now, in every browser except the IEs the divID will show up the value which I selected in the select object. But IE doesn’t. Can somebody please tell me a way around that? Thanks.

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• "select * into table" Will it work for inserting data into existing table

  - by Shantanu Gupta

  I am trying to insert data from one of my existing table into another existing table. Is it possible to insert data into any existing table using select * into query. I think it can be done using union but in that case i need to record all data of my existing table into temporary table, then drop that table and finally than apply union to insert all records into same table eg. select * into #tblExisting from tblExisting drop table tblExisting select * into tblExisting from #tblExisting union tblActualData Here tblExisting is the table where I actually want to store all data tblActualData is the table from where data is to be appended to tblExisting. Is it right method. Do we have some other alternative ?

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• Select more then one node from XML using LINQ

  - by podeig

  I have such XML <root> <content> .... </content> <index> .... </index> <keywords> .... </keywords> </root> But I need to select just and nodes. <content> .... </content> <index> .... </index> I found out how to select just one node. XElement Content = new XElement("content", from el in xml.Elements() select el.Element("content").Elements()); How can I get both nodes?

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• What's wrong in this SELECT statement

  - by user522211

  Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim SQLData As New System.Data.SqlClient.SqlConnection("Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True;User Instance=True") Dim cmdSelect As New System.Data.SqlClient.SqlCommand("SELECT * FROM Table1 WHERE Seats ='" & TextBox1.Text & "'", SQLData) SQLData.Open() Using adapter As New SqlDataAdapter(cmdSelect) Using table As New Data.DataTable() adapter.Fill(table) TextBox1.Text = [String].Join(", ", table.AsEnumerable().[Select](Function(r) r.Field(Of Integer)("seat_select"))) End Using End Using SQLData.Close() End Sub This line will be highlighted with blue line: TextBox1.Text = [String].Join(", ", table.AsEnumerable().[Select](Function(r) r.Field(Of Integer)("seat_select")))

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• How to select the specific cell in Jtable?

  - by Nitz

  Hey guys Now in my one jframe i have used two jtables with different data. But now what i want is..as soon as user select one cell on first table, then in second table, the cell next to selected cell of the first table should be selected. means.... if user had selected the cell which is on column - 3 and row - 1 [ first table cell position ] then next table should automatically select the cell at column - 4 and row - 1 [ second table cell position ] i know how to get the selected row and column of jtable but i don't know how to set Select on jtable.

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• 2 Select or 1 Join query ?

  - by xRobot

  I have 2 tables: book ( id, title, age ) ---- 100 milions of rows author ( id, book_id, name, born ) ---- 10 millions of rows Now, supposing I have a generic id of a book. I need to print this page: Title: mybook authors: Tom, Graham, Luis, Clarke, George So... what is the best way to do this ? 1) Simple join like this: Select book.title, author.name From book, author WHERE ( author.book_id = book.id ) AND ( book.id = 342 ) 2) For avoid the join, I could make 2 simple query: Select title FROM book WHERE id = 342 Select name FROM author WHERE book_id = 342 What is the most efficient way ?

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• SQL 2008 Select Top 1000 and update the selected database drop-down

  - by CWinKY

  When you right click and do a Select top 1000 rows from a table in sql 2008, it opens a tab and writes the sql and then executes it. This is okay, however I'll erase the sql and use the same tab often to do other sql statements. What annoys me is that I have to go to the database drop-down at the top of the window and change it to the current database I'm in because it says Master. How can I make sql 2008 update the selected database for this tab automatically when I right click a table and do select top 1000? On a side note, can I automatically hide the select statement that it generates and just show grid of results?

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• Select option in iPhone and Android browsers.

  - by alex

  I'd like a select box that will alert the value when the user selects the option. (in iPhone) <select> <option> 1 </option> <option> 2 </option> <option> 3 </option> </select> In my web browser on the desktop, I can do: onclick, but on the phone, onclick doesn't work.

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• Select 2 Rows from Table when COUNT of another table

  - by Marcus

  Here is the code that I currently have: SELECT `A`.* FROM `A` LEFT JOIN `B` ON `A`.`A_id` = `B`.`value_1` WHERE `B`.`value_2` IS NULL AND `B`.`userid` IS NULL ORDER BY RAND() LIMIT 2 What it currently is supposed to do is select 2 rows from A when the 2 rows A_id being selected are not in value_1 or value_2 in B. And the rows in B are specific to individual users with userid. What I need to do is make it also so that also checks if there are already N rows in B matching a A_id (either in value_1, or value_2) and userid, and if there are more than N rows, it doesn't select the A row.

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• Custom ListView Row, can no longer select rows...

  - by LDK

  Here's my ScrollView: middle: SC.ScrollView.design({ layout: { top: 36, bottom: 32, left: 0, right: 0 }, backgroundColor: '#ccc', contentView: SC.ListView.design({ contentBinding: 'Spanish.wordsController.arrangedObjects', selectionBinding: 'Spanish.wordsController.selection', contentValueKey: "word", contentDisplayProperties: 'word english'.w(), selectOnMouseDown: YES, exampleView: Spanish.CustomListItemView }) }) and here is my custom listView row: Spanish.CustomListItemView = SC.View.extend({ render: function(context, firstTime){ var content = this.get('content'); var word = content.get('word'); var english = content.get('english'); context = context.begin().push('&nbsp;%@ (%@)'.fmt(word,english)).end(); return sc_super(); } }); The above works as expected, except that I can no longer select views. When I comment out "exampleView: Spanish.CustomListItemView" I can select rows, but they are no longer formatted properly. Why can I no longer select rows when I use exampleView?

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• INSERT SELECT Statement and Rollback SQL

  - by Juan Perez

  Im Working on a creation of a query who uses INSERT SELECT statement using MS SQL Server 2008: INSERT INTO TABLE1 (col1, col2) SELECT col1, col2 FROM TABLE2 Right now the excecution of this query is inside a transaction: Pseudocode: try { begin transaction; query; commit; } catch { rollback; } If TABLE2 has around 40m of rows, at the moment of making the insert on the TABLE1, if there is an error in the middle of the INSERT, will the INSERT SELECT statement make a rollback itself or I need to use a transaction to preserve data integrity? It is necessary to use a transaction? or SQL SERVER it self uses a transaction for this type of sentences.

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• How can I clean up this SELECT query?

  - by Cruachan

  I'm running PHP 5 and MySQL 5 on a dedicated server (Ubuntu Server 8.10) with full root access. I'm cleaning up some LAMP code I've inherited and I've a large number of SQL selects with this type of construct: SELECT ... FROM table WHERE LCASE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE( strSomeField, ' ', '-'), ',', ''), '/', '-'), '&', ''), '+', '') ) = $somevalue Ignoring the fact that the database should never have been constructed to require such a select in the first place, and the $somevalue field will need to be parameterised to plug the gaping security hole, what is my best option for fixing the WHERE condition into something less offensive? If I was using MSSQL or Oracle I'd simply put together a user-defined function, but my experience with MySQL is more limited and I've not constructed a UDF with it before, although I'm happy coding C. Update: For all those who've already raised their eyebrows at this in the original code, $somevalue is actually something like $GET['product']—there are a few variations on the theme. In this case the select is pulling the product back from the database by product name—after stripping out characters so it matches what could be previously passed as a URI parameter.

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• How do I style jQuery Combobox to look like a normal select dropdown

  - by Joe T

  Hi everyone. I am making use of jQuery 1.4.4 and jQuery UI 1.8.7 in a legacy code base. I have added a few combobox() ui-widgets, these comboboxes live along side normal <select> dropdowns. I am finding it difficult to get the two elements to look the same, i.e. the unstyled <select> with it's Internet Explorer / Windows based style and the most basic jQuery UI Themed ui-widget combobox. The screenshot shows an unstyled <select> on the left and a jQuery ui-widget combobox on the right: Is it possible to make the two look the same?

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