I tried to make a foreign key, however, it is not working. Posts Migration Users Migration I am trying to make a “user_id” column for posts that should be connected with an id of a user via a foreign key. But, when I migrate I am getting errors like the following IlluminateDatabaseQueryException S…
Tag: mysql
Laravel 8 – CAN delete but CANNOT UPDATE parent row due to integrity constraints violation: foreign key constraint fails
I have a truck table, a package table, and a postman table. Truck table and package table has a one to many relationship. Truck table and postman table has a one to one relationship. Now I can delete truck table just fine, but I got integrity constraints violation error inside the truck table when I try to up…
MySQL SELECT in order of array values
Can anyone help me with a Query query? I have an array of IDs $IDvalues = array(“128”, “159”, “7”, “81”, “82”, “83”); And need to retrieve data from another table in the order of the array. At the moment, I have this query: But it’s…
Top level EXISTS query using Doctrine ORM
I have a query such as this in plain SQL (of course the original is more complex, but still simple enough that I’m quite sure that that part is correct at least): SELECT EXISTS (SELECT 1 FROM mytable …
How do I use SQL INNER JOIN & ALIAS with foreign keys to fetch data from a database?
I am trying to display data in a table as the code below shows. I’m trying to get data for these 3 columns in Requisitions table(view) from a database table called users: Requisitioned By Approved By and Disbursed By Tables in the db are as follows. I am going to omit columns that seem to be working cor…
Security for websites
I am trying to add some security to my website which has an admin panel and a user page. So far my security has code which sends the user back to the login page if the user tries to access a page through the url. However, there is still one problem that remains. If I login as a user, the
Laravel: Why are results from the database being displayed in the view differently than what Dump&Die says is retrieved?
I have a table called parts. The primary key is part_id, it is not to be incremented, it is a VARCHAR (Laravel string). All part id’s are 2 numbers, hyphen, 4 numbers (e.g. 12-3456) When the results from a query are displayed in the web browser they are not entirely the same as what Dump&Die <?ph…
How to get records between two latitudes and longitudes using Laravel, php [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question here what I tried to get but it returns empty between 2 given coordinates Answer Check dat…
Centring HTML Objects – This includes labels, text input boxes and buttons?
Hello fellow programmers, I have created a search form for my webpage which allows users to use three different fields to refine their search. I have been trying to align these objects with the main heading of the search page. I have tried many different methods but seems to move the objects into the centre. …
Counting specific rows after dynamical WHERE clause query in PDO
I’m following this tutorial for a dynamical WHERE clause query in PDO. Let’s suppose I have a short version of the tutorial code, just like this: By adding the line $count = $stmt->rowCount();, I could count the rows. Now let’s suppose I have data like this: If I searched for “Smith…