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  • Dynamic Data - Make Friendly Column Names?

    - by davemackey
    I've created a Dynamic Data project with an Entity Framework model. It works nicely. But, right now it shows all my database tables with the db column names - which aren't always the most friendly (e.g. address_line_1). How can I got about giving these more friendly column titles that will display to the end user?

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  • Help with query in Microsoft Access

    - by Gold
    I have 2 tables: Table A: code | name Table B: barcode | name Table B has full barcode and name, Table A has only code. I need to run update query that fill name in Table A. I tried something like: update A set name = (select top 1 Name from B where B.Code = mid(A.Barcode,1,8)) but it doesn't work.

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  • MySQL - Limit a left join to the first date-time that occurs?

    - by John M
    Simplified table structure (the tables can't be merged at this time): TableA: dts_received (datetime) dts_completed (datetime) task_a (varchar) TableB: dts_started (datetime) task_b (varchar) What I would like to do is determine how long a task took to complete. The join parameter would be something like ON task_a = task_b AND dts_completed < dts_started The issue is that there may be multiple date-times that occur after the dts_completed. How do I create a join that only returns the first tableB-datetime that occurs after the tableA-datetime?

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  • Create a trigger that updates a column on one table when a column in another table is updated

    - by GigaPr
    Hi, i have two tables Order(id, date, note) and Delivery(Id, Note, Date) I want to create a trigger that updates the date in Delivery when the date is updated in Order. I was thinking to do something like CREATE OR REPLACE TRIGGER your_trigger_name BEFORE UPDATE ON Order DECLARE BEGIN UPDATE Delivery set date = ??? where id = ??? END; How do I get the date and row id? thanks

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  • Sql joining a table

    - by benjamin button
    I have a question regarding the Sql Joins. whenever we join two different tables on some fields. what will happen exactly inside oracle which will result in the query output. will there be a temporary table created just for presenting the query output.

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  • Manually Add a User to Database ASP.NET?

    - by user364878
    Hello, So when your using ASP.NET Wizards to create a login, it uses a set of auto generated tables using the aspnet_regsql.exe tool... When you create a user using the wizard it generates a very long userID "a40cf936-1596-4560-a26c-450792e2c8c0" I want to add users using another program that connects to this database... but how does visual studio auto-generate this ID. I want to auto-generate it as well Any ideas? Thanks in advance. -Scott

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  • how to increase the storage space in Android emulator? (Installation error: INSTALL_FAILED_INSUFFICI

    - by newgeek
    Hi, I am creating an Android application. My Application has audio and png files which i have saved in res/drawable folder. When i run the app , its giving error Installation error: INSTALL_FAILED_INSUFFICIENT_STORAGE and in the logcat it says - ERROR/PackageManager(54): Couldn't copy package file to temp file. I tried creating new avd also.But i am getting the same error. I want all those png and audio files. I dont want to store them in sdcard. Please Suggest me how to solve this problem. Thanks in Advance

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  • SQL Delete Query

    - by jerle78
    I need to write an SQL script that selects one record in table1, then does a lookup in the remaining tables in the database. If it doesn't find the record, I need delete the record from table1. Anyone provide some sample script?

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  • why a .net 1.1 code gets compiled in 2.0 and throws an error?

    - by Sanjeev
    Hi I have a web projects which is build in VS2003/1.1 framework and deployed in a webserver with IIS setting specified to 1.1 framework.lets say project X I also have another web project which is build with VS2008/2.0. IIS setting - ASP version 2.0 is selected and all pages are assigned to run with 2.0* dlls. Lets say project Y Now the problem seem to be when I hit project x, sometimes it throws errors like "error BC30456: 'Initialize Culture' is not a member of 'ASP.**" During troubleshooting this issue, I browsed through 2.0 Temporary ASP.Net files "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\" and found temp files generated for project X. (HUH?) How/why 1.1 project gets compiled in 2.0 only when it errors out.( or we could put it this way that it errors out every time it gets compiled in 2.0 which it is not supposed to) I'm confused as to why this is happening when project X has nothing to do with .net 2.0.

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  • How do I generate an Array string from an array in memory (php).

    - by Itay Moav
    I need to create a big array in my code, I have the values in several tables (for easy management). I select it and now I have all the values in an array, in memory in the way I want. My problem, I need to write this array down, into the code. Is there a way to take an array which sits in the memory and translate it into a string "array('g'='h','b'='d'....)" which I can then echo and just copy-paste into my code?

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  • NoSQL vs Relational Coding Styles

    - by Chris Henry
    When building objects that make use of data stored in a RDBMS, it's normally pretty clear what you're getting back, as dictated by the tables and columns being queried. However, when dealing with NoSQL, document-based systems, it's less clear what is being retrieved. What are common methods of keeping track of structure in which data is stored?

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  • Relationship problem?

    - by dilip
    I have four tables Tag=id,tag_name Image=Id,Image_name TagImage=Id,tag_id,Image_id ImageStudent=id,Image_id,student_id And I want to find a record using student id and tag name. What relationship do I use?

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  • Getting Two items from Same table in SELECT statment

    - by mouthpiec
    Hi, I an SQL SELECT statement I need to extract the name of two teams, taking both teams from the same table. Eg Below SELECT sport_activity_id, (team A), (team B), date, time FROM sportactivity, teams WHERE competition_id_fk = 2 For (team A) and (team B) I have an team_id, which is a FK for the table 'teams' Is it possible to get the following result from these tables by SQL? 1, Barcelona, Arsenal, 01/01/2000, 20:00 the two table are the following: table sportactivity sport_activity_id, home_team_fk, away_team_fk, competition_id_fk, date, time (tuple example) - 1, 33, 41, 5, 2010-04-14, 05:40:00 table teams team_id, team_name (tuple example) - 1, Algeria

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  • MySQL One to Many order by number found in joined table

    - by Finbarr
    Two tables: table_a ------- table_a_id: (primary, int) table_b ------- table_a_id: (index, int, from table_a) table_b_value: (varchar) A one to many relationship between table_a_id and table_b_value. Given a query like this: SELECT DISTINCT(table_a_id) FROM table_a JOIN table_b ON table_a.table_a_id=table_b.table_a_id I want to order by the number of occurrences of table_a_id in table_b. I'm not really sure how to write this in MySQL.

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  • Mysql Windows "mysqldump -t" restore

    - by Glide
    Yes it's Windows sorry. I'm using mysqldump with the option -T which creates a sql and a txt file per table. mysqldump -u user -ppass db -T path I use that option to be able to restore easily one table. Now I'd like to restore all the tables. mysql -u user -ppass db < path/*.sql Obvously doesn't work Also, I don't know where do my funcs/procs go. Thx

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  • Phpmyadmin mysql foreign key help

    - by Alan
    Hey guys i'm using phpmyadmin (php & mysql) and i'm having alot of trouble linking the tables using foreign keys. I'm getting negative values for the field countyId (which is the foriegn key). However it is linking to my other table fine and it's cascading fine. So when I go to add data there will be a drop box for the CountyId and the vlaues will look something like this, " -1 1- " Here is my alter statement, ALTER TABLE Baronies ADD FOREIGN KEY (CountyId) REFERENCES Counties (CountyId) ON DELETE CASCADE

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  • MATLAB: comparing 2 columns content

    - by Patrick
    hi, I need to compare the content of 2 tables, more exactly 2 columns (1 column per table) in Matlab to see, for each element of the firsts column, there is an equal element in the second column. Should I use a for loop or is there any MATLAB function doing this ? thanks

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  • Are the ususal database performance-tuning tips invalide for a third-party app like Drupal

    - by Paul Strugger
    When you have a slow database app, the first suggestions that people make is to: Track the slow queries Add appropriate indexes In the case you are building your own application this is very logical, but when you use a CMS like Drupal, that are people have developed and tuned, is this approach valid? I mean, aren't Drupal tables already fine-tuned for performance? Even if I try to see which queries are the slow ones, what could I do about it? Re-write Drupal core?!?

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  • How do I escape reserved words used as column names? MySQL/Create Table

    - by acidzombie24
    I am generating tables from classes in .NET and one problem is a class may have a field name key which is a reserved MySQL keyword. How do I escape it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique) create table if not exists misc_info ( id INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL, key TEXT UNIQUE NOT NULL, value TEXT NOT NULL)ENGINE=INNODB;

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  • A Query to remove relationships that do not belong [closed]

    - by Segfault
    In a SQL Server 2008 R2 database, given this schema: AgentsAccounts _______________ AgentID int UNIQUE AccountID FinalAgents ___________ AgentID I need to create a query that does this: For each AgentID 'final' in FinalAgents remove all of the OTHER AgentID's from AgentsAccounts that have the same AccountID as 'final'. So if the tables have these rows before the query: AgentsAccounts AgentID AccountID 1 A 2 A 3 B 4 B FinalAgents 1 3 then after the query the AgentsAccounts table will look like this: AgentsAccounts AgentID AccountID 1 A 3 B What T-SQL query will delete the correct rows without using a curosr?

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