Expand Your Domain Modeling Skills
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | These associations allow you to create possible connections between objects.
Also Reference
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show | 1. One-to-Many (1 - *)
2. One-to-One (1 – 1)
3. Many-to-Many (* - *)
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show | There was always only 1 association between 2 entities.
For example: a single One-to-Many association between Teacher and Training Event.
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Wat is de belangrijkste reden om meerdere associaties te hebben tussen 2 entiteiten? | show 🗑
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Using a One-to-Many association versus multiple One-to-One associations also impacts | show 🗑
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show | use it as a trigger for a validation process, right before committing the object to the database
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show | a Boolean Return Value
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show | You could also use a before commit event handler to connect a Match to a Stadium based on the home team, before committing it.
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show | Reference
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How many associations can you add between two entities? | show 🗑
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show | You want to display additional information about an association.
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Which of the event handlers does always need to return a boolean return value? | show 🗑
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show | Defines whether an object can be stored in the database.
When an entity is declared persistable, a database table is created for this entity. Committing an instance of such an entity results in a row being inserted into this table.
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Non-persistable entities | show 🗑
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Wat gebeurd er als je een non-persistable toch commit? | show 🗑
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Transient object | show 🗑
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Wat is een Non-persistable associatie? | show 🗑
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Wat zijn andere limitaties bij het gebruik van non-persistable entiteiten? | show 🗑
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Why use non-persistable entities? | show 🗑
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The bottom line by using a non-persistable entity | show 🗑
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show | store createdDate
store changedDate
store Owner
store changedBy
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Calculated Attribute | show 🗑
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Minimize the use of calculated attributes | show 🗑
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Wanneer is het een goed idee om een Calculated attribute te gebruiken? | show 🗑
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You can recognize a calculated attribute in the Domain Model | show 🗑
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Where do you define the "persistable" property of an entity? | show 🗑
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For which of the following entity types does Mendix create a database table? | show 🗑
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show | Current attribute values and association values are stored in memory.
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show | When a value changes more often than it is viewed
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show | In Mendix you can divide your app into several modules, which is usually done on a functional level.
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Welke 3 standaard modules heeft elke app? | show 🗑
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show | is what makes your app run, it contains the basic data structure that every app needs: users, files, sessions, etc.
This module is off-limits, meaning that you as a Mendix developer can’t change the contents of this module
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show | Is the module that allows users to have and manage accounts.
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MyFirstModule | show 🗑
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Now let’s say Adrian wants players to be able to have an account. You can achieve that by.. | show 🗑
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Hoe kan je naar de entiteit gaan die in een andere module zit? | show 🗑
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show | System members is information about objects you can store in the database.
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show | 1.createdDate
2.changedDate
3.owner (user that created the object)
4.changedBy
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By default, this information isn’t stored in the database. Waarom is dit? | show 🗑
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show | Cross-module association
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show | Go to the other side
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Which of the following options list system members that can be stored as indicated in the properties of an entity? | show 🗑
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show | Owner
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Created by:
Angeltje1992