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Question about getting data from another table


By : Jihed Mselmi
Date : September 30 2020, 10:00 PM
help you fix your problem You can join both tables using the EmployeeID as key. Qlik will automatically join on fields with the exact same name. And that's the reason for renaming the employeeID field in Sales table - to match the field name from Employee table. Also we are loading only 2 fields from the Employee table - ID (used as key) and Name (to bring this field in Sales table)
code :
Sales:
Load
  employeeID as EmployeeID,
  Some_Sales_Field_1,
  Some_Sales_Field_1,
  Some_Sales_Field_1
From
  Sales.csv
  (txt, utf8, no labels, delimiter is ' ', msq)
;

left join (Sales)

Load
  EmployeeID,
  EmployeeName
From
  Employee.csv
  (txt, utf8, no labels, delimiter is ' ', msq)
;


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Question about inserting data into a table part of a 1:m relationship


By : m2d
Date : March 29 2020, 07:55 AM
wish help you to fix your issue When inserting records to a database table which has a 1:m relationship to another table, is it not best practise to ensure that the related table is updated (inserted) with a new record? Is there any consequence if just one of the related tables is updated? , Let's use your example..
code :
car:
    car_id
    name

wheel:
    wheel_id
    car_id

A question about storing data that should have been in the same table


By : andylee1988
Date : March 29 2020, 07:55 AM
this will help Do you really need it to go both directions (i.e. 1:M leads to customers and 1:M customers to leads)? If so, a composite table sitting "between" the two could be the way to go. Each record would contain the PK from customer and the PK from lead (linking the two).
If you just need to know how many leads are linked to a customer, I would add the FK to leads (pointing to the PK in customers).

Mysql Insert data into table have a arranges question?


By : user2487420
Date : March 29 2020, 07:55 AM
I hope this helps you . The SQL standards specifically states that tables do not have a "natural" order. Therefore, the database engine is free to return a request without an ORDER BY in any order it wants to. The order may change from one request to another because most engines choose to return the data in whatever order they can get it to you the most rapidly.
It follows, therefore, that if you want the data out in a particular order you must include a column in your table whose job is to proxy for the order in which you added records to the table. Two common ways of doing this are using an autoincrement field which will be in numerical order from oldest to newest record, and a TIMESTAMP column which does just what it says. Once you have such a column you can use ORDER BY ColumnName when searching to get an ordered result set.

PHP Laravel get all question from question's table base on the foreign Key of vote's Table


By : user3274258
Date : March 29 2020, 07:55 AM
Does that help If I can I would like to be able to get all "voted questions" the questions authenticated user have voted. and return in a json format. , You can get all votes for a user like so:
User.php
code :
public function votes()
{
    return $this->hasMany('App\Vote`);
}
public function questions()
{
    return $this->belongsTo('App\Question');
}
$user = Auth::user();
$userVotes = $user->votes()
    ->with('questions')
    ->get()
    ->pluck('question.id', 'question.title');

SQL query to get data of MCQ question and the answer from two table


By : user3499841
Date : March 29 2020, 07:55 AM
like below fixes the issue MCQ Question and correct answer table name = Table1 , I am assuming you are using MSSQL as database
Use JOINS
code :
SELECT Q.ID, Q.Que Quetion, A.Choice Options, Op.Choice AS Answer
FROM Table1 Q JOIN Table2 A ON Q.Id= A.Id
LEFT JOIN Table2 Op ON Q.ID = Op.Id AND Q.Ans_Id = Op.Choice_Id
SELECT Q.ID, Q.Que Quetion, A.Choice Options, Op.Choice AS Answer
FROM Table1 Q JOIN Table2 A ON Q.Id= A.Id
LEFT JOIN Table2 Op ON Q.ID = Op.Id AND Q.Ans_Id = Op.Choice_Id 
                   AND Op.Choice_Id = A.Choice_Id 
ID  Quetion             Options      Answer
1   Sample Question #1  (a) sasas   (a) sasas
1   Sample Question #1  (b) saewew  (a) sasas
1   Sample Question #1  (c) 4234    (a) sasas
2   Sample Question #2  (a) xxxxx   (c) sd4234
2   Sample Question #2  (b) 5855sz  (c) sd4234
2   Sample Question #2  (c) sd4234  (c) sd4234
3   Sample Question #3  (a) bbbbbb  (b) saew34
3   Sample Question #3  (b) saew34  (b) saew34
3   Sample Question #3  (c) 42d34   (b) saew34
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