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• mysql query results sorting

  - by user329094

  I am calling the results form a query to a list on my site based on if the item is "downtown_hosted". This works fine but I would now like to sort that list DESC, but can't seem to get the syntax correct. Below is what I have: $result_events = mysql_query("SELECT * FROM events WHERE downtown='downtown_hosted' ORDER BY date DESC LIMIT 5 ");

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• Rails query to find other likes based on category

  - by Mik

  I need to do something like the following: Find other categories people like based on the categories you like. I have a likes table, which is joined to users and categories. I need to do an efficient query to find out what other categories people who liked a given category also like. Any thoughts on this would be appreciated. Thanks in advance.

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• translate a mysql query into nhibernate

  - by lina

  Good day! Please, can you help me to translate such a mysql query into nhibernate SELECT sales_id, service_id,dayofyear(dt), max(dt) FROM clients.statistics group by sales_id, service_id,dayofyear(dt);

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• Problem with MySQL query

  - by Psyche

  This time my setup looks like this: one table with galleries names (gallery_id, gallery_name) and another table with galleries photos (photo_id, photo_gallery_id, photo_name). What I need is to get all the galleries with one random picture for each gallery. Is it possible to do this with a single query?

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• Hibernate query cache automatically refreshed on external update?

  - by artgon

  I'm creating a service that has read-only access to the database. I have a query cache and a second level cache enabled (READ_ONLY mode) in Hibernate to speed up the service, as the tables being accessed change rarely. My question is, if someone goes into the DB and changes the tables manually (i.e. outside of Hibernate), does the cache recognize automatically that it needs to be cleared? Is there a time limit on the cache?

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• How to get the sql query from a NHibernate save

  - by adriaanp

  I am trying to create a type of recorded data transaction that I can replay on a different database. For example I am capturing an order into a system, when I save that I want to be able to "export" a sql script that I can run on another database to create the same order. I am using NHibernate and I am trying to catch the sql query string for the save operation to save to a file, but with no success.

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• Parsing query strings in Java

  - by Will

  J2EE has ServletRequest.getParameterValues(). On non-EE platforms, URL.getQuery() simply returns a string. What's the normal way to properly parse the query string in a URL when not on J2EE?

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• Firebird 2.1 + EXISTS = query bug?

  - by Atlas

  Using Delphi 2009 + Firebird 2.1.3. Database is ODS 11.1, default char set is UTF8. My prepared query is as follows: SELECT a.po_id, a.po_no FROM purchase_order a WHERE EXISTS (SELECT 1 FROM sales_order_item z1 JOIN purchase_order_item z2 ON z2.so_item_id = z1.so_item_id AND z2.po_id = a.po_id WHERE z1.so_id = :soid) ORDER BY a.po_no Now when I loop this say 1000 times because I have 1000 x so_id, the CPU usage get at 100% for FBSERVER.EXE Anyone encountered this problem?

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• Need help with sql update query.

  - by via-point

  I have table 'products' and I need to update 'price' field by 20% if product 'type' field is "imported". How do I read and update field at the same time in my UPDATE query?

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• Executed Query Source

  - by Steven

  Where is the value of the actual query executed for an AccessDataSource with the parameters replaced with actual values? Note: Answers in VB.NET or C# are fine.

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• PHP MySQL query help

  - by user547794

  Hello, I am trying to use this query to return every instance where the variable $d['userID'] is equal to the User ID in a separate table, and then echo the username tied to that user ID. Here's what I have so far: $uid = $d['userID']; $result = mysql_query("SELECT u.username FROM users u LEFT JOIN comments c ON c.userID = u.id WHERE u.id = $uid;")$row = mysql_fetch_assoc($result); echo $row['username'];

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• SQL Query to return both distinct and total logins from a login table in sql2005

  - by Prescott

  Hey all, I have a table Logins { Id, AccessTime }, I'd like to write a query that returns 3 columns, Total Logins during a time period, Unique Logins for a time period, and the Id of the user. I know I could do this with two passes and a join, is there a better way to do it in a single pass? Thanks, ~P

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• Assign query results to MySQL variable

  - by 5un5

  I'm querying a big mysql database with only read privileges, and I'd like to set some slow query results to a variable, 'foo', so I can use them again in other queries. I get, ERROR 1193 (HY000): Unknown system variable '$foo' when I enter: set $foo := (select * from table1 join table2 where bar = 0 group by id); Is there a way to do this with variables, since I don't have privileges to create temporary tables?

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• MySQL: Insert into multiple tables in same query with BEGIN&COMMIT

  - by strc

  I want to insert into multiple tables in same query by using BEGIN and COMMIT. It seems the error occur at begin. here is my SQL command BEGIN INSERT INTO Product (pName, pBrand, pCategory, pSize, pQuantity, pPrice, pDetail) VALUES('$name', '$brand', '$category', '$size', '$quantity', '$price', '$detail') INSERT INTO Image (iName, iExt, iSize, pID) VALUES('$img_name', '$img_ext', '$img_size', LAST_INSERT_ID()); COMMIT;

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• Parsing complicated query parameters

  - by Will

  My Python server receives jobs that contain a list of the items to act against, rather like a search query term; an example input: (Customer:24 OR Customer:24 OR (Group:NW NOT Customer:26)) To complicate matters, customers can join and leave groups at any time, and the job should be updated live when this happens. How is best to parse, apply and store (in my RDBMS) this kind of list of constraints?

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• Need help Linq query join + count + group by

  - by user233540

  I have two table First table BID Town 1 ABC 2 ABC2 3 ABC Second Table PID BID AmountFirst AmountSecond AmountThird Minority 1__ 1___ 1000_____ 1000________ 1000_____ SC 2__ 2___ 2000_____ 1000_______ 2000_____ ST 3__ 3___ 1000____ 1000_______ 1000_______ SC BID is foreign key in Second table. I want sum AmountFirst + AmountSecond +AmountThird for individualTown e.g for ABC town answer should be : 6000 (summation of PID 1 and PID 2) I want Linq query for this..Please help

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• Sql query number of occurance

  - by phenevo

  Hi, I wanna to have query: Select cars.* from cars where cars.code in ( select carCode from articles where numberofrecords with this car (it is not a column) >1 and Accepted=1 order by date ) How to write it?

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• Help me with LINQ to entities query, please

  - by plotnick

  I need to build a query to the entities to get records including: AssetWeapon, PersonOut number of records with IsIn = True, number of records with IsIn = False, name of the month of StartTime, Records should be grouped by AssetWeapon thank you guys!

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• SQL query to select records from three Tables seperatly

  - by Azhar

  SQL query which select the record from three tables and there is no relation between these tables. Actually I want to make it a VIEW. suppose there are three tales Table1, Table2, Table3 I want to show records of Table1 first with some filter criteria and then the records from Table2 and in last from Table3 as when we execute the view it show like the records like a Table. There can be any number of rows but the records must be in this sequence.

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• Selecting two specific mysql table rows in a single query

  - by Scotta

  Lets say I have a table with 20 entries. They are sorted by date (date is a column name _) in descending order. How would I go about selecting ONLY the newest entry and the 15th oldest entry? I am getting all 15 results by doing the following query SELECT * FROM mytable m WHERE col1 = "zzz" ORDER BY date DESC LIMIT 15;

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• CodeIgniter - numbers in sql query are masked with ``

  - by Checkson

  Hello, i'm using CodeIgniter for developing a community board. As I'm using nested sets to get a nested forum hierarchy, I have to run a lot of queries such as: SELECT `id` FROM `forums` WHERE 1 BETWEEN `lft` AND `rgt` My problem: CodeIgniter is replacing the "1" by "`1`" because the "1" is recognized as a column name. Of course, the query does not work any more. Is there a way to get it working? thx in advance

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• Is it possible to download a large database using mysql query

  - by Rose

  i am downloading files from server using WinSCP.Is it possible to write a query to download a large database using mysql query? Or using any other method i have tried with this code but i am not able to get the whole database structure <?php if(file_exists('backup_sql/my_backup.zip')) { unlink('backup_sql/my_backup.zip'); } $tables='*'; $host='MY HOST NAME'; $user='MY_USERNAME'; $pass='MYPASSWORD'; $name='MY_DB_NAME'; $link = mysql_connect($host,$user,$pass); mysql_select_db($name,$link); //get all of the tables if($tables == '*') { $tables = array(); $result = mysql_query('SHOW TABLES'); while($row = mysql_fetch_row($result)) { $tables[] = $row[0]; } } else { $tables = is_array($tables) ? $tables : explode(',',$tables); } $return=''; //cycle through foreach($tables as $table) { $result = mysql_query('SELECT * FROM '.$table); $num_fields = mysql_num_fields($result); //$return.= 'DROP TABLE '.$table.';'; $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table)); $return.= "\n\n".$row2[1].";\n\n"; for ($i = 0; $i < $num_fields; $i++) { while($row = mysql_fetch_row($result)) { $return.= 'INSERT INTO '.$table.' VALUES('; for($j=0; $j<$num_fields; $j++) { $row[$j] = addslashes($row[$j]); //$row[$j] = ereg_replace("\n","\\n",$row[$j]); if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; } if ($j<($num_fields-1)) { $return.= ','; } } $return.= ");\n"; } } $return.="\n\n\n"; } $rand_var=time(); $files_to_zip = array( "'backup_sql/db-backup-'.$rand_var.'.sql'", ); $name = 'db-backup-'.$rand_var.'.sql'; $data = $return; ?> any one please help me... thank you

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• Actual AccessDataSource Query With Replaced Parameters

  - by Steven

  I am getting an "Invalid SQL statement" error in my VB code. I have set several SelectQuery parameters. How can I get the actual query with the parameters replaced with actual values?

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• Created query is not supported by my DB

  - by stacker

  I created an application using seam-gen. The created operation to search the DB ends with and exception (syntax error). The query has a where clause like this: lower(barcode0_.barcode_ean) like lower((?||'%')) limit ? Does hibnerate or seam create the where clause which my DB can't understand? Or is there a workaround for SQL statement related issues in seam?

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• LINQ Query and DateTimes....

  - by AlwaysBeCoding

  Im trying to get the Sum() from an Entityset with the next query. (from MyObject p in SelectedObject.MyObjectEntitySet where p.AColumn.HasValue && (p.ADate >= dateTimeValue && p.ADate <= dateTimeValue2) select p.AColumn.Value).Sum(); with no luck retrieving correct sum. Any Ideas?

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