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  • Store children in database preserving information about their order

    - by GUZ
    I am designing database tables for a master-detail scenario. The specific requirement is that it is necessary to store information about the order of children. I see some possible solutions (like adding a column representing a position in the sequence, or a column with foreign key to the previous child) but I would like to know the best practices how to solve such problems. Best regards Lukasz Glaz

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  • Insert Registration Data in MySQL using PHP

    - by J M 4
    I may not be asking this in the best way possible but i will try my hardest. Thank you ahead of time for your help: I am creating an enrollment website which allows an individual OR manager to enroll for medical testing services for professional athletes. I will NOT be using the site as a query DB which anybody can view information stored within the database. The information is instead simply stored, and passed along in a CSV format to our network provider so they can use as needed after the fact. There are two possible scenarios: Scenario 1 - Individual Enrollment If an individual athlete chooses to enroll him/herself, they enter their personal information, submit their payment information (credit/bank account) for processing, and their information is stored in an online database as Athlete1. Scenario 2 - Manager Enrollment If a manager chooses to enroll several athletes he manages/ promotes for, he enters his personal information, then enters the personal information for each athlete he wishes to pay for (name, address, ssn, dob, etc), then submits payment information for ALL athletes he is enrolling. This number can range from 1 single athlete, up to 20 athletes per single enrollment (he can return and complete a follow up enrollment for additional athletes). Initially, I was building the database to house ALL information regardless of enrollment type in a single table which housed over 400 columns (think 20 athletes with over 10 fields per athlete such as name, dob, ssn, etc). Now that I think about it more, I believe create multiple tables (manager(s), athlete(s)) may be a better idea here but still not quite sure how to go about it for the following very important reasons: Issue 1 If I list the manager as the parent table, I am afraid the individual enrolling athlete will not show up in the primary table and will not be included in the overall registration file which needs to be sent on to the network providers. Issue 2 All athletes being enrolled by a manager are being stored in SESSION as F1FirstName, F2FirstName where F1 and F2 relate to the id of the fighter. I am not sure technically speaking how to store multiple pieces of information within the same table under separate rows using PHP. For example, all athleteswill have a first name. The very basic theory of what i am trying to do is: If number_of_athletes 1, store F1FirstName in row 1, column 1 of Table "Athletes"; store F1LastName in row 1, column 2 of Table "Athletes"; store F2FirstName in row 2, column 1 of Table "Athletes"; store F2LastName in row 2, column 2 of table "Athletes"; Does this make sense? I know this question is very long and probably difficult so i appreciate the guidance.

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  • Saving russian text in SQL server

    - by JD
    Hi, I have a database (SQL server express 2008) which has a column that is defined as text. When we try to store some text which is in chinese, it is not saved. I read that the field should be ntext. I will now have to a conversion to my table to create the column as ntext. Would I have to do anything with the collation of the database which is set to Latin? JD

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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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  • iTunes style layout using CSS

    - by Liam
    What is the best way (using HTML/CSS) to create an iTunes-style layout with the following features: a left column with a fixed width but fluid height (scrollbars for overflow) (BLUE below) a main content column with fluid width and height (scrollbars for overflow) (RED below) a bottom right box with fixed width and height which remains stuck to the bottom of the browser? (GREEN below) Here is an example: I'm happy to use Javascript/JQuery if there really isn't a pure CSS solution. Thanks!

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  • about Select statement !

    - by user329820
    hi, I have read that after select we use column-names but I have found a statement that was like this: SELECT 'A' FROM T WHERE A = NULL; would you lease help me? thanks (A is a column- name here?) my DBMS is MySQL

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  • gridview doubt asp.net

    - by user305678
    i want to load grid view as header with roles tablle horizontally and first column datafields with page table vertically and for other column datafields with these two table interaction the access table

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  • How to get size of file uploaded to SQL-Server?

    - by MadBoy
    Is there a way to tell how to get a file size that is uploaded to database? SELECT [ID] ,[File] FROM [dbo].[Reports] I would like to be able to tell user the size of File which is VarBinary(max) field in MS SQL 2005/2008. How to do that? Maybe the only way to do is to create another column and when inserting file i should also insert it's size in additional column?

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  • Removing spaces from columns of a CSV file in bash

    - by vikas ramnani
    I have a CSV file in which every column contains unnecessary spaces(or tabs) after the actual value. I want to create a new CSV file removing all the spaces using bash. For example One line in input CSV file value1 ;value2 ;value3 ;value4 same line in output csv file should be value1;value2;value3;value4 I tried using awk to trim each column but it didnt work. Can anyone please help me on this ? Thanks in advance :)

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  • Manipulating row data with Javascript

    - by fivetwentysix
    I have a specific question, I have a link in a table in the third column of each row, when the user clicks that link he loads some ajax and updates the page, what I want to also happen is that in the 2nd column of the row where the link is, change the td's class from false to true, and the value from No to Yes. Thanks!

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  • How to get the trending tags using php and mysql?

    - by Tom
    Hello I have a table : tags(tagname,entryid,stamp) and i want to make a section for the most trending tags today, the tagname column has no unique value, because many entries has the same tag, so the php code that i want should display the most attached tags today. Note: the "stamp" column is the date of adding the tag in UNIX time stamp format. Thanks

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  • Tools to update tables in SQL server 2000/2005

    - by Stan
    Is there any handy tool that can make updating tables easier? Usually I got an Excel file with the original value in one column and new value in another column. Then I write a formula in Excel to create the 'update' statement. Is there any way to simplify the updating task? I believe the approach in SQL server 2000 and 2005 would be different, so could we discuss them both? Thanks.

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  • Format a money field in SQL without converting to varchar?

    - by sdmadsen
    I need to be able to display a money field as $XX,XXX.XX, but without converting to varchar using total_eval = '$' + CONVERT(varchar(19),total_eval.opvValueMoney,1) My project uses sorting of the information after I pull this to sort the column and it doesn't sort correctly when the column is a varchar. Is there anyway to do this?

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  • Best way to get the highest sum from a Matrix (using Java but algorithm is the issue here)

    - by user294896
    Sorry I dont know the correct terminology to use but I have a 3x3 matrix like this 1 3 4 5 4 5 2 2 5 and I want get the highest score by picking a value from each row/column but I cant pick the same row or column more than once , so the answer in this case is 3 + 5 + 5 = 13 (row0,col1 + row1,col0 + row2,col2) 4 + 5 + 5 = 14 is not allowed because would have picked two values from col2 I'm using Java, and typically the matrix would be 15 by 15 in size. Is there a name for what Im trying to do, and whats the algorithm thanks Paul

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  • how to focus the next cell, if the cell value=1 or 0 in flexgrid in vb.net?

    - by Vadivel
    Dear sir's & madam. im using flexgrid in my project,it contains 6 colums,if the first column value is 1 then automatically focus ill move on the sixth column.help me anybody.. (im used in flex grid payment id,payment type,bank name,bank code,reffrence code,referance no,amount. the payment type is like cash or credit or cheque,suppose when i place the value in payment type is cash then the next focus is go to amount)

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  • filter items in a list view on sharepoint

    - by saravanaram
    Basically i have created a list by importing a spread sheet which contains username as one of the column. I now want to create a specific view which will show only items in the list only based on currently logged in users how do i do it. I've tried using [Me] with matching column from the imported spreadsheet but it was not working as expected.

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  • Format of DataGridView value

    - by Vadim
    I have a DataGridView which is filling from Table in SQL Server Database. One of it's columns is "price". Type of column in DGV is automatically sets as Decimal. In some cases I need to write in cells of this column text like "none", instead of price. How can I do it? DGV.Item("price", 0).Value = "none" doesn't work, because of decimal type of a cell.

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  • how to generate primary key values while inserting data into table through pl/sql stored procedure

    - by thulasi policherla
    hi friends, I am trying to insert data into particular table through pl/sql stored procedure,my requirement is while inserting i should generate PRIMARY KEY values for particular column and also i should return that PRIMARY KEY value to output and one more thing is that for another column i should validate my string such that it should contain only characters not integers. please help me in writing code for the above requirement Thanks and regards thulasi policherla

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  • SQL Server - Filter field contents to numbers only

    - by Alex
    How can I copy the value of a field, but only its numbers? I am creating a computed column for fulltext search, and I want to copy the values from my Phone Number fields (which are varchar) into it, but not with their formatting - numbers only. What is the command that would do this in my computed column formula? Thank you!

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  • SQL query multi table selection

    - by nemiss
    I have 3 tables, - Section table that defines some general item sections. - Category table - has a "section" column (foreign key). - Product table - has a "category" column (foreign key). I want to get all products that belong to X section. How can I do it? select from select?

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  • SQLAlchemy: an efficient/better select by primary keys?

    - by hadrien
    Yet another newbie question.. Let's say I have an user table in declarative mode: class User(Base): __tablename__ = 'user' id = Column(u'id', Integer(), primary_key=True) name = Column(u'name', String(50)) When I have a list of users identifiers, I fetch them from db with: user_ids = [1, 2, 3, 4, 5] users = Session.query(User).filter(User.id.in_(user_ids)).all() I dislike using in_ because I think I learned it has bad performance on indexed fields (is that true/false?). Anyway, is there a better way doing that query? Thanks!

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  • trying to run a named query

    - by dora
    hi, I’m doing the following: @Entity @SqlResultSetMapping(name="getxxxx", entities=@EntityResult(xxxx.class, fields = { @FieldResult(name="x1", column = "x1"), @FieldResult(name="x2", column = "x2")})) @NamedNativeQuery(name=" getxxxx ", query="select x1, x2 from yyyy", resultSetMapping=" getxxxx ") } )public class xxxx{ . . . public xxxx() { } i get an error: "Table "xxxx" cannot be resolved", the class xxxx is not a table mapped into my source, I’m trying to query the DB and return the results into my class is it possible?

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  • Extending DataGrid/Changing DataGrids header

    - by drasto
    Is there any way how to override DataGrids header line ? Or at least its behaviour ? I'm trying to implement Outlook-like grouping of the table. That is allow user to drag column header out of the table to the dedicated area to sort by that column (for example XamDataGrid has that feature, you can see how it works here). I cannot use any commercial solutions. I will be thankfull for any experiences, ideas, code, notes or tutorials.

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