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• T-SQL - Is there a (free) way to compare data in two tables?

  - by RPM1984

  Okay so i have table a and table b. (SQL Server 2008) Both tables have the exact same schema. For the purposes of this question, consider table a = my local dev table, table b = the live table. I need to create a SQL script (containing UPDATE/DELETE/INSERT statements) that will update table b to be the same as table a. This script will then be deployed to the live database. Any free tools out there that can do this, or better yet a way i can do it myself? I'm thinking i probably need to do some type of a join on all the fields in the tables, then generate dynamic sql based on that. Anyone have any ideas?

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• SQLite: does data type depend on the quotes?

  - by Septagram

  In SQLite, the datatype of a value is associated with the value itself, not with the column type. So suppose we have a table with an integer primary key "id" and an integer column "some_number". If I do a query like this: INSERT INTO mytable (id, some_number) VALUES (NULL, "1234") Will 123 be inserted as an integer or as string? What consequences it will have later for me, say, when I'm comparing it with other value like "234" (as a number 1234 234, as a string "1234" < "234", right?)?

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• Unexpected behaviour of Order by clause(SQL SERVER 2005)

  - by Newbie

  I have a table which looks like Col1 col2 col3 col4 col5 1 5 1 4 6 1 4 0 3 7 0 1 5 6 3 1 8 2 1 5 4 3 2 1 4 The script is declare @t table(col1 int, col2 int, col3 int,col4 int,col5 int) insert into @t select 1,5,1,4,6 union all select 1,4,0,3,7 union all select 0,1,5,6,3 union all select 1,8,2,1,5 union all select 4,3,2,1,4 If I do a sorting (ascending), the output is Col1 col2 col3 col4 col5 0 1 5 6 3 1 4 0 3 7 1 5 1 4 6 1 8 2 1 5 4 3 2 1 4 The query is Select * from @t order by col1,col2,col3,col4,col5 But as can be seen that the sorting output is wrong (col2 to col5). Why so and how to overcome this? Thanks in advance

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• Wrong Editing Controls Displayed in UITableView

  - by CJC

  Hi all, I'm having a strange problem with UITableView. When the user taps the Edit button, the tableview (which is a grouped view with multiple sections) is supposed to show delete buttons for each row--except for the final row in each section, which has a green add button. When a user taps the green button, a new row is inserted, but now the final row gets a delete button. Even stranger, that delete button ACTS like an add button. So it seems there's a drawing glitch, rather than a problem in assigning the correct style. (Extensive NSLogging shows that the last cell is getting the Insert editing style correctly.) I've tried setting setNeedsDisplay on the cell and the tableView, I've tried reloading that section/row/the entire table, but the issue persists. Any ideas on how to get UITableView to explicitly redraw the editing controls?

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• How can I replace ” with " in ASP.NET SQL?

  - by vamsivanka

  I am trying to run this SQL from ASP.NET 2005 but am getting an invalid SQL error because it has a weird character ” in it. In my code I am trying to replace ” with " but it is not doing it as the special character in the replace command is changing to ". Query: insert into userquery(description) values ('In fact, Topeka Google Mayor Bill Bunten expressed it best: “Don’t be fooled. Even Google recognizes that all roads lead to Kansas, not just yellow brick ones.”') If I copy and execute this in mysql it is working good. How can I solve this problem?

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• What is the best way to update a field for each row in a table?

  - by pixel

  I have a table called artists. Within it, there is a field for the artist name (artist_name). Then there is a field for SEO friendly artist name, we'll call it search_name. I have over 40,000 artists in this table. So, I'd like to convert all artists names to search friendly. What is the best way to accomplish this? Not looking for code here, just ideas. This is what I have thus far. I'm just not sure if I should call all 40,000 artists, loop through them and update? // Does this artist name have any symbols, apostrophes, etc. If so, strip them out // Does this artist have a space (the beatles)? If so, replace with + (the+beatles). // insert into search field

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• How to add data to a dictonary in c#

  - by Pramodh

  Dear all, How to add data to dictonary from xml fil scenerio: I've declared a dictonary like Dictonary<string,string> SampleDict=new Dictonary<string,string>(); and my xml file is like <Data> <Element ValOne="1" ValTwo="0" /> <Element ValOne="2" ValTwo="2" /> <Element ValOne="3" ValTwo="4" /> <Element ValOne="4" ValTwo="6" /> <Element ValOne="5" ValTwo="8" /> <Element ValOne="6" ValTwo="10" /> <Element ValOne="7" ValTwo="12" /> <Element ValOne="8" ValTwo="14" /> <Element ValOne="9" ValTwo="16" /> <Element ValOne="10" ValTwo="18" /> </Data> i need to read the value of "ValOne" and "ValTwo" using LINQ and insert the same into the above declared dictonary Please help me to do this Thanks in advance

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• Save or update for FK relationship Sqlalchemy

  - by Alex

  I've googled, but haven't been able to find the answer to this seemingly simple question. I have two relations, a customer and an order. Each order is associated to a single cusomter, and therefore has a FK relationship to the customer table. The customer relation only stores customer names, and I have set a unique constraint on the customer table barring duplicate names. Let's say I create a new order instance and set a customer for the order. Something like: order_instance.customer = Customer("customer name") When I save the order instance, SqlAlchemy will complain if a customer with this name already exists in the customer table. How do I specify to SqlAlchemy to insert into the customer table if a customer with this name doesn't already exist, or just ignore (or even update) to the customer relation? I don't really want to have to check each time if a customer with some name already exists...

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• Is there a way of getting a file name and inserting into Matlab script?

  - by torr

  In a folder, I have both my .m file that contains the script and an imaging .dcm file that needs to be analyzed. Folder structure: Folder1/analysis.m Folder1/meas_dynamic_123.dcm My script (analysis.m) begins as follows: target =''; <== here should go the full path to the file + filename example: /Volumes/Data/Folder1/meas_dynamic_123.m txt = dir(target); // etc So I'm wondering if there is a way of when running analysis.m it will: automatically search the folder it's in, grab the full path + filename of file containing string dynamic in the name, insert its full path + name into target variable continue running the script Does anyone have any pointers on how to achieve this? Using ffpath?

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• Even lighter than SQLite

  - by Richard Fabian

  I've been looking for a C++ SQL library implementation that is simple to hook in like SQLite, but faster and smaller. My projects are in games development and there's definitely a cutoff point between needing to pass the ACID test and wanting some extreme performance. I'm willing to move away from SQL string style queries, allowing it to be code driven, but I haven't found anything out there that provides SQL like flexibility while also preferring performance over the ACID test. I don't want to go reinventing the wheel, and the idea of implementing an SQL library on my own is quite daunting, even if it's only going to be simple subset of all the calls you could make. I need the basic commands (SELECT, MODIFY, DELETE, INSERT, with JOIN, and WHERE), not data operations (like sorting, min, max, count) and don't need the database to be atomic, or even enforce consistency (I can use a real SQL service while I'm testing and debugging).

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• .save puts NULL in user_id field in Ruby on Rails

  - by mathee

  Here's the model file: class ProfileTag < ActiveRecord::Base def self.create_or_update(options = {}) id = options.delete(:id) record = find_by_id(id) || new record.id = id record.attributes = options puts "record.profile_id is" puts record.profile_id record.save! record end end This gives me the correct print out in my log. But it also says that there's a call to UPDATE that sets profile_id to NULL. I'm not sure I understand why the INSERT puts the value into profile_id properly, but then it sets it to NULL on an UPDATE. If you need more specifics, please let me know. I'm thinking that the save functionality does many things other than INSERTs into the database, but I don't know what I need to specify so that it will properly set profile_id.

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• PHP+MYSQL Server Config

  - by Matias

  Hi guys, I am parsing an XML file with PHP and inserting the rows in a MYSQL database. I am using PHP simplexml_load_files to load the XML and a foreach to loop through the array and insert the rows into my database. It works perfectly fine with small files i am testing, but it comes to reality I need to parse a large 500mb XML file and nothing happens. I was wondering what was the right Php.ini config for this case ? I have a VPS Linux Cent OS, with 256 mb of dedicated Memory and MYSQL 5.0.5. I have also set php memory_limit = 256M (maximum of my server) Any suggestions, similar experiences will be greatly appreciated Thanks

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• C# Web gridview sortin

  - by tommypiaa

  Any examples how would I enable sorting for the gridview? private void loadlist() { cn.Open(); cmd.CommandText = "select Breed, Name, Image from Animals"; dr = cmd.ExecuteReader(); cn.Close(); } protected void TextBox1_TextChanged(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { AddData(); Addimage(); } protected void AddData() { if (TextBox1.Text != "" & TextBox2.Text != "") { cn.Open(); cmd.CommandText = "insert into Animals (Breed, Name) values ('" + TextBox1.Text + "', '" + TextBox2.Text + "')"; cmd.ExecuteNonQuery(); cmd.Clone(); cn.Close(); loadlist(); } } protected void DisplayData() { cn.Open(); cmd.CommandText = "select Breed, Name from Animals"; dr = cmd.ExecuteReader(); GridView1.DataSource = dr; GridView1.DataBind(); cn.Close(); }

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• Where's the rest of the space used in this table?

  - by Eric H.

  I'm using SQL Server 2005. I have a table whose row size should be 124 bytes. It's all ints or floats, no NULL columns (so everything is fixed width). There is only one index, clustered. The fill factor is 0. After inserting a ton of data, sp_spaceused returns the following name rows reserved data index_size unused OHLC_Bar_Trl 117076054 29807664 KB 29711624 KB 92344 KB 3696 KB which shows a rowsize of approx (29807664*1024)/117076054 = 260 bytes/row. Where's the rest of the space? Is there some DBCC command I need to run to tighten up this table (I could not insert the rows in correct index order, so maybe it's just internal fragmentation)?

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• MySQL Query, Date Range From "Blacklist"

  - by erbaker

  I have 2 databases. One is properties and the other is dates. In dates I have associated the land_id and a date (In YYYYMMDD format) which means that the date is not available. I need to formulate a query that a user can specify a start and end date, and then choose a property for which dates are available (not in the date database). How do airline and hotel websites do this kind of logic? I was thinking about taking the date range and picking all days in between and doing a query where the dates do not match and ordering it by number of results, but I can see how that could easily turn into an intense query. CREATE TABLE IF NOT EXISTS `dates` ( `id` int(11) NOT NULL AUTO_INCREMENT, `land_id` int(11) NOT NULL, `date` varchar(255) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=44 ; -- -- Dumping data for table `dates` -- INSERT INTO `dates` (`id`, `land_id`, `date`) VALUES (43, 1, '20100526'), (39, 1, '20100522'), (40, 1, '20100523'), (41, 1, '20100521'), (42, 1, '20100525');

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• How to get out information from a DataGridView?

  - by ghost_j1

  I am working on program that calculate the GPAs for university students in C#. I have made a gridview that contains columns for each subject. Its mark as letter and number. After the user "student" insert his/her subject I want to let the user click a button that will get the mark and the number of the credit hours of each subject. Calculate the GPA for the student and put the result in a textbox. I am having trouble getting started. Any advice for a good place to start?

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• jQuery Mobile focus next input on keypress

  - by user738175

  I have a jquery mobile site with a html form consisting of 4 pin entry input boxes. I want the user to be able to enter a pin in each input field without having to press the iphone keyboards "next" button. I have tried the following and although it appears to set the focus to the second input and insert the value, the keyboard disappears so the user still has to activate the required input with a tap event. $('#txtPin1').keypress(function() { $('#txtPin1').bind('change', function(){ $("#txtPin1").val($("#txtPin1").val()); }); $("#txtPin2").focus(); $("#txtPin2").val('pin2'); }); Is there a different event that I should be assigning to $("#txtPin2")? I have tried to implement http://jqueryminute.com/set-focus-to-the-next-input-field-with-jquery/ this also, but I found that it worked for android and not for iphone. Any help is greatly appreciate it.

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• check for several conditions when a user logs in

  - by paul

  I would like to accomplish the following: If a username or password field is null, notify the user. If user name already exists, do not insert into the database and notify user to create a different name. if the username is unique and password is not null, return the username to the user. As of now it always returns "Please enter a different user name." I believe the issue has to do with the database query but I am not sure. If anyone can have a look and see if I am making an error, I greatly appreciate it, thanks. if ($userName or $userPassword = null) { echo "Please enter a user name and password or return to the homepage."; } elseif (mysql_num_rows(mysql_query("SELECT count(userName) FROM logininfo WHERE userName = '$userName'")) ==1) { echo "Please enter a different user name."; } elseif ($userName and $userPassword != null) { echo "Your login name is: $userName"; }

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• Unable to modify a table

  - by the Hampster

  I'm having trouble with mysql. I can read and write, but now I want to add some fields to a table. I run this command: ALTER TABLE Pubs ADD COLUMN issue tinyint AFTER volume; but get this error message: ERROR 7 (HY000): Error on rename of './user_acct/Pubs.MYI' to './user_acct/#sql2-cb0-76f2.MYI' (Errcode: 13) I created this table a few months ago, modified it a little bit, so it worked then. I can still update and insert items, but I just can't modify the table anymore. Any help would be appreciated. --Dave

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• conditional copy between sheets google docs spreadsheets

  - by user1891545

  I have this situation: 1 spreadsheet with another 8 sheets The sheet1 have 16 column fill from a web form, so when the people fill in its created a new row. So i want create a script which read the rows and copy determined data column from this row in the specifics sheets A B C D E F G H I J K L M N O P 1 X X X X X X X X X X X X X X X X SHEET1 SHEET(F) SHEET(G) SHEET(H) SHEET4(I)... If theres some data in column E copy column A, column B, column C, column E, from sheet1 to last row sheet E also if theres no data on column E do nothing and continues If theres some data in column F copy column A, column B, column C, column F, from sheet1 to last row sheet F also if theres no data on column F do nothing and continues .... Also I want know if is possible launch this script with function onSubmitForm() so as the row is insert automatically run the script and clasify the datas between the sheets.

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• Monitoring Log Shipped Databases

  - by Registered User

  I need a consistent way to monitor databases that are read-only log shipped copies of production databases. In the past I have relied on the following methods: Set the job that restores logs to the database kick off another job as its last step. Set the job that restores logs to the database to insert a record in a control table as its last step. Query the msdb database to check the status of the job that restores logs to the database. Query a control table inside the database itself that gets a value immediately before transaction logs are backed up. Query MAX values from tables inside the database to see if it has recent changes. Although the above methods work, they can't be implemented for every log shipped database that I query for various reasons. What is the best method for monitoring the "data as of" date for a log shipped database?

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• Using php variable inside a query

  - by Aruna

  Hi, i am using a query inside php as $query = 'SELECT * from #__chronoforms_UploadAuthor where text_6 like "%'.$_GET['title'].'%" and text_7 like "%'.$_GET['author'].'%" limit 0,1'; where i am trying to insert a php variable instead of 1 in the limit.. $query = 'SELECT * from #__chronoforms_UploadAuthor where text_6 like "%'.$_GET['title'].'%" and text_7 like "%'.$_GET['author'].'%" limit 0,"'.$_GET['limit'].'"'; but it shows me the error . Pls help me .. THere are some errors in keeping $_GET['limit']..

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• 3-clique counting in a graph

  - by Legend

  I am operating on a (not so) large graph having about 380K edges. I wrote a program to count the number of 3-cliques in the graph. A quick example: List of edges: A - B B - C C - A C - D List of cliques: A - B - C A 3-clique is nothing but a triangle in a graph. Currently, I am doing this using PHP+MySQL. As expected, it is not fast enough. Is there a way to do this in pure MySQL? (perhaps a way to insert all 3-cliques into a table?)

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• How to know if a std::list has been modified

  - by Nick

  I have this class: class C { public: C* parent; std::list<C> children; }; I can use this class in this way for example: C root; C child; root.children.push_back(child); // or other method of std::list (es: push_front, insert, ...) // Here child.parent is root // How can I set the parent of child? I want to do this work internally to my class without losing the functionality of std::list, is it possible?

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• FTP script needs blank line

  - by Ones and Zeroes

  I am trying to determine the reason for some FTP servers requiring a blank line in the script as follows: open server.com username ftp_commands bye Refer to blank line required after username credentials. Example from: FTP from batch file another reference to the same: http://newsgroups.derkeiler.com/Archive/Comp/comp.sys.ibm.as400.misc/2008-05/msg00227.html Also discussed here: archive.midrange.com/midrange-l/200601/msg00048.html "The behavior I'm observing is the same as if I didn't specify the password to login." with an answer referring to our same fix... archive.midrange.com/midrange-l/200601/msg00053.html and archive.midrange.com/midrange-l/200601/msg00065.html Note: It is my experience that FTP questions attract uncouth responses. Admittedly FTP is outdated, but many clients still have legacy systems, which they cannot upgrade or replace. The reason thereof should not be discussed here. The intention of this question is to invite a positive response. Please do not respond if you disagree with the above. If you have never encountered this same issue, please do not respond. I suspect this may be limited to FTP scripts executed from Windows machines, but have been told that this happens often and with many different servers. My specific interest is to understand what may cause this as I have a real world example of a production system suddenly requiring this as a workaround fix, after running for many years without issue. The server belongs to a third party who claims no change on their end. Server details unknown and cannot be determined. Any help or encouragement from someone who has come across the same, would be appreciated. ps. Sorry for the many words and references to painful responses, but I have asked similar questions on serverfault and elsewhere and unfortunately got back kneejerk responses to FTP and respondents debating the validity of the question. I would truly not ask, or re-post this question online if I had a better understanding of the issue. I know of people who have seen this issue, but don't know what causes it. I am wary that this question would again turn into another irrelevant discussion. Please, I ask very nicely: Please do not respond if you have not encountered a similar issue. FURTHER EDIT: Please do not suggest changing the product. The problem is not the blank line requirement. We know this fixes the issue. The problem is not being able to explain the reason for the blank line in the first place. Slight difference, but a critical point to note wrt the answering of this question.

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