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  • import data from another table with same id

    - by Luca Romagnoli
    Hi, i have 2 table User (id, name, surname,cod) UserNew (uid, uname, usurname, ucod) The first table has data the second no. I have to copy the data of the User table in the UserNew table. I've tried with a insert query but uid (primary key) value changes. How can i do to mantaince the same values? thanks

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  • Mysql- "FLUSH TABLES WITH READ LOCK" started automatically

    - by ming yeow
    I would like to understand how this happened. I was running a query that would take a long time, but should not lock up any table. However, my dbs were practically down - it seems like it was being locked up by "FLUSH TABLES WITH READ LOCK" 03:21:31 select type_id, count(*) from guid_target_infos group by type_id 02:38:11 select type_id, count(*) from guid_infos group by type_id 02:24:29 FLUSH TABLES WITH READ LOCK But i did not start this command. can someone tell me why it was started automatically?

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  • MongoDB equivalent of SQL "OR"

    - by Matt
    So, MongoDB defaults to "AND" when finding records. For example: db.users.find({age: {'$gte': 30}, {'$lte': 40}}); The above query finds users = 30 AND <= 40 years old. How would I find users <= 30 OR = 40 years old?

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  • inner join in sql

    - by vini
    SELECT TotalItems.Total_Items ,TotalItems.No_Items_Present ,ItemsTable.No_Of_Items_Ret FROM TotalItems INNER JOIN ItemsTable ON ItemsTable.Item_Name= '" + DropItemName.SelectedValue + "'" this is my SQL query what I want is to retrieve two column values corresponding to the item I enter in my dropdown list from one table and the no_of_items_ret from another table satisfying the condition of the dropdownlist I'm getting all the values corresponding to any item I enter what should i do?

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  • Check services at startup of SQL Server

    - by SQL DBA
    I am trying to check the state of services when SQL Server is started. I am using xp_cmdshell and 'sc query SQLServerAgent | FIND "STATE"' for example to load the output to a global temp table. It works when SQL Server has already started but does not work when the proc is set to autoexec, via sp_procoption.

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  • Combining 2 Mysql update statments(same col, different values, different conditions)

    - by Paul Atkins
    Hi guys, I have been doing some searching but have not been able to find an answer for this so thought I would ask here as the people here know everything :) I am trying to combine these 2 update queries into one query. UPDATE addresses SET is_default='0' WHERE id!='1' UPDATE addresses SET is_default='1' WHERE id='1' I assume this should be too hard to accomplish but i cant seem to work it out :( Thanks Paul

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  • How many indexes will actually get used?

    - by Ender
    I'm writing a page that does very simple search queries, resulting in something like: SELECT * FROM my_table WHERE A in (a1, a2, a3) AND B in (b1, b2) AND C in (c1, c2, c3, c4) AND And so on for a variable number of columns, usually ~5. If I create a separate index for each column (one for A, one for B, one for C, not (A,B,C)), will all of them be used in the above query?

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  • how to add a dynamic param

    - by user569846
    the jquery plugin that im using is this http://code.google.com/p/jquery-in-place-editor/ if i have a table like this <table> <thead> <tr> <th>id</th> <th>first name </th> <th>last name </th> </tr> </thead> <tbody> <tr> <td class="id">1</td> <td class="fname">sarmen</td> <td class="lname">mikey</td> </tr> <tr> <td class="id">2</td> <td class="fname">john</td> <td class="lname">angelo</td> </tr> <tr> <td class="id">3</td> <td class="fname">sarmen</td> <td class="lname">grande</td> </tr> </tbody> </table> and my js looked something like this $("td.fname").editInPlace({ url: 'ajax.php', params: '', show_buttons: true }); then lets say i click on the first record to edit it which is fname of sarmen. how can i pass a param that only accociates id 1 ? because if i do a query of lets say "update tbl_users set fname = '$_POST['update_value']' where fname = '$_POST['original_html']'" (note: im just showing an example so no need to clean posts if that was bothering you :) ) if i run this query the fname of sarmen will update in two records rather than one. How can i only update to id of 1 being to update only one record.

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  • how to connect SQL Server cubes using dotnet(C#)

    - by prince23
    Hi. I am new to this cubes concept in SQL Server. I need to connect to cubes and query and get a result and display that result in grid view Any help would be great telling how to connect to a cube, articles on it, code any thing that can help me to achieve the result Thank you.

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  • Why isn't this simple MySQL statement working?

    - by Clark
    I am trying to match a user inputted search term against two tables: posts and galleries. The problem is the union all clause isn't working. Is there something wrong with my code? $query = mysql_query(" SELECT * FROM posts WHERE title LIKE '%$searchTerm%' OR author LIKE '%$searchTerm%' OR location LIKE '%$searchTerm%' OR excerpt LIKE '%$searchTerm%' OR content LIKE '%$searchTerm%' UNION ALL SELECT * FROM galleries WHERE title LIKE '%$searchTerm%' ");

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  • Adding additional sorting attributes to array of records...then sorting!

    - by keruilin
    Let's say I run an ActiveRecord query and it returns 3 results, with a bunch of attributes. I want to add 3 attributes to each record in the Array so I can do sorting at a code-level. These 3 include: num_comments, num_views, last_view. How do I add these attributes? How do I then sort the records, in order of precendence, by num_comments AND by num_views AND by last_view?

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  • Can I write a test without any assert in it ?

    - by stratwine
    Hi, I'd like to know if it is "ok" to write a test without any "assert" in it. So the test would fail only when an exception / error has occured. Eg: like a test which has a simple select query, to ensure that the database configuration is right. So when I change some db-configuration, I re-run this test and check if the configuration is right. ? Thanks!

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  • how to specify literal value in linq union

    - by lowlyintern
    I have the following SQL query, note I want the literal value '0' in the second field in the second SELECT statement from the ItemSale table. How do I express this in LINQ? I get the error message 'Invalid anonymous type member declarator'. SELECT BranchNumber,QuantitySold FROM Department UNION SELECT BranchNumber,0 FROM ItemSale How to express the '0' in LINQ? var unionQuery = (from dept in Department select new { dept.BranchNumber, dept.QuantitySold, }) .Concat(from item in ItemSale select new { item.BranchNumber, 0 });

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  • pagination - 10 pages per page

    - by arthur
    I have a pagination script that displays a list of all pages like so: prev [1][2][3][4][5][6][7][8][9][10][11][12][13][14] next But I would like to only show ten of the numbers at a time: prev [3][4][5][6][7][8][9][10][11][12] next How can I accomplish this? Here is my code so far: <?php /* Set current, prev and next page */ $page = (!isset($_GET['page']))? 1 : $_GET['page']; $prev = ($page - 1); $next = ($page + 1); /* Max results per page */ $max_results = 2; /* Calculate the offset */ $from = (($page * $max_results) - $max_results); /* Query the db for total results. You need to edit the sql to fit your needs */ $result = mysql_query("select title from topics"); $total_results = mysql_num_rows($result); $total_pages = ceil($total_results / $max_results); $pagination = ''; /* Create a PREV link if there is one */ if($page > 1) { $pagination .= '< a hr_ef="?page='.$prev.'">Previous</a> '; } /* Loop through the total pages */ for($i = 1; $i <= $total_pages; $i++) { if(($page) == $i) { $pagination .= $i; } else { $pagination .= '< a hr_ef="index.php?page='.$i.'">'.$i.'</a>'; } } /* Print NEXT link if there is one */ if($page < $total_pages) { $pagination .= '< a hr_ef="?page='.$next.'"> Next</a>'; } /* Now we have our pagination links in a variable($pagination) ready to print to the page. I pu it in a variable because you may want to show them at the top and bottom of the page */ /* Below is how you query the db for ONLY the results for the current page */ $result=mysql_query("select * from topics LIMIT $from, $max_results "); while ($i = mysql_fetch_array($result)) { echo $i['title'].'<br />'; } echo $pagination; ?>

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  • .Net Linq - Join together all item of a List

    - by Melursus
    How can I write a Linq expression that select item from a List and join them together ? Example IList<string> data = new List<string>(); data.Add("MyData1"); data.Add("MyData2"); string result = //some linq query... I try data.Select(x => x + ","); //result = "MyData1, MyData2"

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  • Drawbacks of using an integer as a bitfield?

    - by Mark
    I have a bunch of boolean options for things like "accepted payment types" which can include things like cash, credit card, cheque, paypal, etc. Rather than having a half dozen booleans in my DB, I can just use an integer and assign each payment method an integer, like so PAYMENT_METHODS = ( (1<<0, 'Cash'), (1<<1, 'Credit Card'), (1<<2, 'Cheque'), (1<<3, 'Other'), ) and then query the specific bit in python to retrieve the flag. I know this means the database can't index by specific flags, but are there any other drawbacks?

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  • Is it possible to use SQL XML to insert, and get output from each record?

    - by nbolton
    I would like to perform a SQL XML insert (on MSSQL), and in this case I need to insert a list of files into the DB (this is simple enough). However, there's an auto generated PK column (ID), and I need the ID for each newly created filename without performing a 2nd query. Is this possible? I guess it doesn't matter if the result is/isn't XML, but the input certainly has to be.

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  • Recipe for creating a corrupt mysql table

    - by Chaim Geretz
    We had a process that crashed while trying to manipulate an expected mysql record set, running the offending query from the mysql cli showed the following. mysql SELECT ...; ERROR 1030: Got error 127 from table handler Is there a way to easily recreate this condition so we can validate our fix ? (production DB was already repaired).

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  • Best database (mysql) structure for this case:

    - by robert
    we have three types of data (tables): Book (id,name,author...) ( about 3 million of rows) Category (id,name) ( about 2000 rows) Location (id,name) ( about 10000 rows) A Book must have at least 1 type of Category (up to 3) AND a Book must have only one Location. I need to correlate this data to get this query faster: Select Books where Category = 'cat_id' AND Location = 'loc_id' Select Books where match(name) against ('name of book') AND Location = 'loc_id' Please I need some help. Thanks

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  • ASP.net Associate session with client/request based on ip

    - by ase69s
    In one web page we use a flash upload control but becouse a flash bug in the upload event the session is lost as its posted back with a new session. We have tought of using a table with ip and old session id or a query string with the old session id in order to reassing it in the uploaded event... Knowing the old session id how can i reassign it to the client? (In C#)

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  • Expose JSON as queryable for jQuery

    - by Ted
    I am trying to expose some data, user names, as json format on my server. I want to use jQuery.getJSOn() method to query data. I can get my data converted to json with newtonsoft.dll on server and save it in a file. But as far as I know it is not queryable. I want something like http://search.twitter.com/search.json?callback=?&q=abc Can anyone help me out to expose my data ion the above format.

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  • postgres subquery w/ derived column

    - by Wells
    The following query won't work, but it should be clear what I'm trying to do: split the value of 't' on space and use the last element in that array in the subquery (as it will match tl). Any ideas how to do this? Thanks! SELECT t, y, "type", regexp_split_to_array(t, ' ') as t_array, sum(dr), ( select uz from f.tfa where tl = t_array[-1] ) as uz, sc FROM padres.yd_fld WHERE y = 2010 AND pos <> 0 GROUP BY t, y, "type", sc;

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  • time calculation within LINQ

    - by d daly
    Hi I want a linq query to return a calculated timespan, i have used the timespan function before, but im not sure how to incorporate it into linq. Basically the linq is returning a datetime field which i want to subtract from the current datetime to get days and hours. Any help appreciated! Thanks

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