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Questions tagged [crud]

The four basic operations for a data management system : Create, Read, Update, Delete

The four basic operations that can be used on a relational database table are

  • C reating
  • R eading
  • U pdating
  • D eleting

A CRUD application is one that performs these basic operations. A CRUD framework is an application framework that gives these functionalities as a base for the development.

Also see: , ,

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Custom Like count with JavaScript, PHP, MySQL

Hoping you can help me. My Goal Creating a custom Like(♥) button with a counter. Store (INSERT) onclick() output value to MySQL Increment (UPDATE) stored value by one(+1) Retrieve (READ) lastest incremented value from MySQL and display on web…
Andrew C. Duarte
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How do I mock a simple CRUD interface correctly?

Imagine I have the following simple example interface: public interface UserDB { void addUser(User user); void updateUser(User user); User getUser(String id); void deleteUser(String id); } I want to write tests with Mockito to test…
Kenyakorn Ketsombut
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Auto Increment Id MVC5

I am new to MVC and i'm trying to create an auto incrementing id upon using CRUD create. I've created my model with id : [Key] [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int BookingId { get; set; } and my controller:…
coto2
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Entity Framework CRUD operations on a datagrid

I have a List bound to a datagrid and am trying to figure out how to save all the changes to the database (using Entity Framework), not just one row at a time; OR, at least a better way to commit changes from the datagrid to the database. I am…
steveareeno
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I can't make a crud based search form. Why it is not working?

My code: models/db.py .... dbmy = DAL('mysql://user:user@localhost/test',migrate_enabled=False) dbmy.define_table('Firewall', Field('disabled','text'), Field('src_port_first','integer'), …
Ermi
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Can I design controllers by verbs? If not, why not?

Using the Laravel PHP framework, I'm wondering about the design of resource controllers, where you define a new controller for an individual entity, say, "project" or "article", and then provide methods based on the different CRUD operations. In…
Luciasar
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Client and server: data filtering and sorting synchronization.

I have a java client-server crud application. In client I open person table and I can set filter for example by city,age,sex. Besides I can add some sorting rule, for example sort by name,and after by age. These filtering and sorting rules are sent…
Pavel_K
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Angular firebase foreign key / ng-repeat

I have two tables in firebase Departamentos -> parent and Ciudades -> child. When I'm showing the cities in the ng-repeat view, I need replace the $id Departamento to the name in the Departamentos table. How can I do it? Database: View:
Cristian Gartner
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Quick & dirt CRUD interface to SQLAlchemy?

I'm researching software components to use in a future development of a business logic web application. It's gonna be written in Python and we are targeting SQLAlchemy as ORM. The app will be used by other software apps via a REST-like interface…
Luke404
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Beginner Rails CRUD

Quick beginner question about new and create methods. The Ruby Guide shows this example: def new @article = Article.new end def create @article = Article.new(article_params) if @article.save redirect_to @article else render 'new' …
inthenameofmusik
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Error: .$save is not a function (AngularJS)

The non-GET instance action $save doesn't work in my example. I always get the Error, that $save is not a function. The problem is, I don't know where I have to define the $scope.example = new Resource();, because in my example I'm using 2…
yuro
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Volt: Equivalent of destroy_all?

I have a form with a "reset this collection" button. Looks kind of like this: In my controller, I do this: def reset_patients puts "destroying" store.patients.each{|p|…
Steve Ross
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How Can i copy a mysql record and save with different id using PHP?

I am new in PHP. I have an idea. Can i copy a recoed of table and save it with different id in same table? For example i have a web form with different fields. I use that form to store data in database. Now i have a page where i display that record…
sunny
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Unable to connect to MySQL and perform operations in Play Framework 2.4

I am very new to Play and Java (i come from a Python and Django background :) ). I am trying to connect to MYSQL database and read values from it. However, after trying for about few frustrating hours i am unable to do so. Please Help. My build.sbt…
200ok
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What's the best way to handle recurring tasks like CRUD operations in Java?

I'm trying to write classes and methods to minimize recurring tasks. For instance, I'm planning to write a generic DAO (Database Access Object) class in Java which can do the basic crud operations by accpeting the inputdata. For example, the…
Arun Saragadam
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