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• Can I create a table with check constrain whose values are dependent on sql query

  - by Shantanu Gupta

  Is it possible to create a table which has a check constraint on one of the column whose value lies within the result set given by another sql query eg. create table tablename ( name varchar(10), rollno int )check rollno in (select rollno from anotherDatabase.TableName,candidateRoll) or any thing like that. I dont have to use it anywhere but still want to know.

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• Getting subsection to list in table of contents in LaTeX

  - by pizziaolo

  I made a table of contents using \tableofcontents Each section is made using \section yet when I do \subsection it is not listed in the table. How do I get it to list there? Thanks.

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• Finding all tables and fields on "many" side of relations with a certain table

  - by bzamfir

  in Sql Server 2005, I have a master table, and several other tables which are related to this master through several one to many relations. How can I find all tables and fields which are in relation with the primary key in the master table, on "many" side? I know I can extract this by querying views from INFORMATION_SCHEMA, but I don't know where exactly I can find this info. Thank you

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• How to create a table in outlook mail body programmatically

  - by NewAutoUser

  I am developing some program in C# which will send the mail using outlook 2007. For this I wish to create a table in mail body and need to show the required data in it. Can anyone let me know how we can create a table programmatically in mail body.

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• Cakephp, don't use a databse table.

  - by Smickie

  I don't a controllers model to use a database table. I have a pages controller and model but it is saying "pages table not found". How do I tell the model not to use a the database at all? Cheers!

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• Keeping some choices in the Table for the Field of Type Dropdown

  - by Mercy

  Hi, i am having a Table named Attributes which has id form_id label size sequence_no Type 1 1 Name 200 1 Text 2 1 Age 150 2 Number 3 1 Address 300 3 Textarea 4 1 Gender 200 4 Dropdown I am having the doubt how can i keep the Choices of the Field of type "Dropdown" in the Table Eg. For Gender the choices will Male , Female.. Please give me the suggestions...

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• How add column order in careers table???

  - by Mahran Elneel

  this table i want to create and how assign job to first position??? job_id dynamic Jobs Title text Job Description text Order combo box to choose after what job or at first position in the website i create this table and cannot choose first job to view in my website

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• Changing GORM table name

  - by Matthias Hryniszak

  Hi I'm fighting to get the following mapping working in Grails 1.3.1 and MySQL: class Login { int id String email static mappings = { table 'my_table' id column: "Mgr_id" version: false } } No matter what I do the queries that are being issued refer to "schema.login" table instead of "schema.my_table". This is very frustrating... Can anyone answer why this might not be working?

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• Does the java JFC hash table use seperate chaining resolution? Can I traverse each list in the table

  - by Matt

  I have written a program to store a bunch of strings in a JFC hash table. There are defiantly collisions going on, but I don't really know how it is handling them. My ultimate goal is to print the number of occurrences of each string in the table, and traversing the bucket or list would work nicely. Or maybe counting the collisions? Or do you have another idea of how I could get a count of the elements?

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• ruby on rails ferret search:.only 10 records are getting from table

  - by jissy

  ruby on rails ferret search:.only 10 records are getting from table.For pagination i did it ,but only 10 records are getting even though there exists more records satisfying the search condition.if any of you know how to solve this,please reply. no limit is givenf it is not a ferret search all records are getting from table , and pagination is working the code is: @search_sd_ticket_result=ServiceDeskTicket.find_with_ferret(params[:sd_ticket][:servicedeskticket]).paginate :per_page =5, :page=params[:page]

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• i want to get next record of the table whenever clicking on button in swing form

  - by Jisson

  Hai, I want to create a JFrame with some TextFields and Buttons .I want to get next record in the table whenever i clicks on a "next button" and also a "previousbutton",clicks on it get the prprevous value from the table.

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• table outputs blank rows on the browser

  - by fusion

  following the answer here, altho it solved my problem, it displays a blank table. .something like this. the data does get inserted in the mysql but the table displays nothing. the codes are posted on the above link. your help would be appreciated. thanks!

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• SQL - get latest records from table where field is unique

  - by 89stevenharris

  I have a table of data as follows id status conversation_id message_id date_created 1 1 1 72 2012-01-01 00:00:00 2 2 1 87 2012-03-03 00:00:00 3 2 2 95 2012-05-05 00:00:00 I want to get all the rows from the table in date_created DESC order, but only one row per conversation_id. So in the case of the example data above, I would want to get the rows with id 2 and 3. Any advice is much appreciated.

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• How do I reset a tabcontoller with a drill down table view

  - by Bob

  Hi, I have a tabbar with one of the tabs containing a drilldown table. I am having problems once the user has finished using the drilldown table. If they change to another tab, then change back to the original tab, the original tab is still where I left it (at the bottom of the drill down showing the detail view) What I want is on moving to an alternative tab the old tab resets I have tried adding all sorts of stuff to -(void)viewDidDisappear and -(void)viewDidUnload with no success What do I need to do? Cheers

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• in R, question about generate table

  - by alex

  a = matrix(1:25,5,5) B = capture.output(for (X in 1:5){ A = c(min(a[,X]),quantile(a[,X],0.25),median(a[,X]),quantile(a[,X],0.75),max(a[,X]),mean(a[,X]),sd(a[,X])/m^(1/2),var(a[,X])) cat(A,"\n") }) matrix(B,8,5) what i was trying to do is to generate a table which each column has those element in A and in that order. i try to use the matrix, but seems like it dont reli work here...can anyone help 1 2 3 4 5 min 1st quartile median SEM VAR THIS IS WHAT I WANT THE TABLE LOOKS LIKE ..

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• Mysql Avg function for recent 15 records by date (order date desc) in every symbol

  - by venkatesh

  i am trying to create a statement in sql (for a table which holds stock symbols and price on specified date) with avg of 5 day price and avg of 15 days price for each symbol. table description: symbol open high close date the average price is calculated from last 5 days and last 15 days. i tried this for getting 1 symbol: SELECT avg(close), avg(`trd_qty`) FROM (select * from cashmarket WHERE symbol = \'hdil\' order by `M_day` desc limit 0,15 ) s ...but I couldn't get the desired the list for showing avg values for all symbols.

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• convert portion of code into a function php

  - by user765368

  This is probably very easy to do but for some reason I can't seem to figure this out. Let's say I have code like this: $elements = array('a', 'b', 'c', 'd'); $myValues = array( 'values' => array( 'a' => array( 'xx' => 3, 'yy' => '' ), 'b' => array( 'xx' => '', 'yy' => '' ), 'c' => array( 'xx' => 8.4, 'yy' => '' ), 'd' => array( 'xx' => 18.4, 'yy' => '' ) ) ); foreach($elements as $elem) { if($myValues['values'][$elem]['xx'] != '') { if($myValues['values'][$elem]['xx'] < 6) { $myValues['values'][$elem]['yy'] = 'less than 6'; } elseif($myValues['values'][$elem]['xx'] >= 6 && $myValues['values'][$elem]['xx'] < 15) { $myValues['values'][$elem]['yy'] = 'between 6 and 16'; } else { $myValues['values'][$elem]['yy'] = 'greater than 15'; } testFunc($myValues['values'][$elem]['xx']); // This is how I would call my function once I replace the code above } } As you can see here what I'm trying to do is to change the value of $myValues['values'][$elem]['yy'] based on some conditions. What I want to do is to replace the if elseif else section of codes by a function that performs the same action. I tried something like: function testFunc($xx) { if($xx < 6) { $yy = 'less than 6'; } elseif($xx >= 6 && $xx < 15) { $yy = 'between 6 and 16'; } else { $yy = 'greater than 15'; } return $yy; } But obviously this won't work because I'm not changing the value of $myValues['values'][$elem]['yy'] inside my function. NOTE I really want to pass ONLY the value of $myValues['values'][$elem]['xx'] inside my function and return the changed value of $myValues['values'][$elem]['yy']. Can anybody help me with this? Thanks in advance

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• Database maintenance, big binary table optimization

  - by jgemedina

  Hi i have a huge database, around 1 TB in size, most of the space is consumed by a table which stores images, the tables has right now almost 800k rows. server response time has increased, i would like to know which techniques should i use or you recomend, partitioning? o how to reorganize the table every row is accessed by the image id column, and it has its clustered index by that column, and every two days i reorganize the index and every 7 days i rebuild it, but it seems not to be working any suggestions?

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• Unable to Export contents of Data table (with French formatted Numbers ) to XML

  - by Ananth

  I have a data Table with numbers formatted according to the current regional settings. ie ( in French decimal separators are ',' instead of '.' in English). I need to export it to XML. Numbers in XML needs to be formatted according to the current regional settings.But now numbers in XML are formatted in English.Is there any way to make the number formatting in XML according to current regional settings ( or based on the locale of the Data Table) during the exporting process ?

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• How to delete from table if count is greater than 20

  - by joseph

  Hi, I have a mysql table that I need to only contain 20 newest records before adding additional records. New rows are added daily so I would like it first delete any records that are greater than the 20 allowed starting with the earliest. The table contains an auto increment "id" column so I can easily determine which is the earliest records. Thanks for any help.

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• unique id in more than one table [MySQL]

  - by monthon1

  I want to make auto increment id in two MySQL tables (if in first table there is id=4 then it cannot be id=4 in the second table). My question is how can I do that in the best way?

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• Physically cluster a MYSQL table for better performance

  - by ming yeow

  I have a 30M row table, which is indexed by ID now. However, a lot of the requests are around a much smaller subset, which is identified by app_user=1 Does it make sense to physically cluster the table according to this? If so, how can I do so?

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• Create a table using obj-c for MAC and display values in the table.

  - by lohith

  Can anyone guide me how to create a table using obj-c for MAC. The program should read values from an NSArray object and display the values on the table.I wld appreciate if anyone helped me out.

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• Codeigniter - how to use the foreign keys from one table to look for the id's of another table.

  - by Drew

  I'm having a problem trying to wrap my head around how to query the database to retrieve the foreign keys in my Nav table and then using those to find the id's in the NavItem table. Can someone point me in the right direction or give me some pointers? i'm not even sure if this should be done in the model or the controller! Thanks in advance

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• Postgre function for last inserted id

  - by Anton

  I am looking for function in postgre that returns last inserted id into table. In MS SQL there is SCOPE_IDENTITY(). Is something same in PostgreSQL? Please, do not advise use something like this: select max(id) from table

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