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Laravel Eloquent ORM Quiz

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Question 1/15

Which Eloquent method would you use to retrieve all records from a model with a specific column value?

Select your answer

::find()

::get()

::all()

::where()

Question 2/15

What function in Eloquent is used to append computed values to serialized form queries?

Select your answer

add()

withHelpers()

merge()

append()

Question 3/15

How do you retrieve a paginated result set in Laravel Eloquent?

Select your answer

Executing the

::first()

tag

Applying the

::group()

method

Calling the

::paginate()

method

Using the

::chunks()

method

Question 4/15

What is the purpose of accessors in Laravel Eloquent Models?

Select your answer

To modify data before it is returned to the application

To validate data before applying filters

To modify data before it's saved to the database

To automatically parse incoming requests

Question 5/15

Which method is used to define custom timestamps on Eloquent models?

Select your answer

protected $timestamps

public $timestamps = false

const TIMESTAMP_COLUMNS

public $timestamps

Question 6/15

What function allows you to synchronize intermediate tables for a many-to-many relationship?

Select your answer

save()

sync()

attach()

link()

Question 7/15

What method is used to update or create a record based on matching attributes?

Select your answer

::firstOrNew()

::saveOrFail()

::updateOrInsert()

::updateOrCreate()

Question 8/15

How do you define a relationship in a Laravel Eloquent model?

Select your answer

Adding it to a controller

Using scopes

Utilizing the

belongsTo

hasOne

hasMany

, etc. methods

By setting a static property

Question 9/15

If you want to get the latest record from a table based on a timestamp, which Eloquent method should you use?

Select your answer

::where()

.orderByDesc()

.latest()

.oldest()

Question 10/15

What method would convert an Eloquent collection into a JSON representation?

Select your answer

toJSON()

serialize()

toJson()

toString()

Question 11/15

Which Eloquent feature allows tracking of changes in data for auditing purposes?

Select your answer

Soft deletes

Model Observers

Global Scopes

Timestamps

Question 12/15

To mass assign attributes in Eloquent and bypass the mass assignment protection, which method should be used?

Select your answer

fill()

update()

create()

forceFill()

Question 13/15

When creating a many-to-many relationship in Eloquent, which of the following pivot table requirements is true?

Select your answer

The pivot table name must be alphabetical order of the related models' names separated by an underscore.

The table must contain both primary keys as columns, the first prefixed by its related model.

The table must have an 'id' column for foreign keys.

The table must include a 'type' column to distinguish relationships.

Question 14/15

If you want a relationship to always load by default when querying a model, which feature in Eloquent would you use?

Select your answer

Queriers

Eager loading using the

$with

property

Global Scopes

Model Observers

Question 15/15

How do you prevent an attribute from being mass-assignable in Eloquent models?

Select your answer

Set

protected

variable

Add it to the

$hidden

array

Make it private

Include it in the

$guarded

array

Your Results

You did not answer any questions correctly.

Your Answers

Question 1/15

😊 Your answer was correct 🙁 Your answer was incorrect

Which Eloquent method would you use to retrieve all records from a model with a specific column value?

Available answers

::find()

::get()

::all()

::where()

The

::where()

method is used to filter query results based on column values.

Question 2/15

😊 Your answer was correct 🙁 Your answer was incorrect

What function in Eloquent is used to append computed values to serialized form queries?

Available answers

add()

withHelpers()

merge()

append()

The

append()

method allows you to append computed attributes to the model's array and JSON representations.

Question 3/15

😊 Your answer was correct 🙁 Your answer was incorrect

How do you retrieve a paginated result set in Laravel Eloquent?

Available answers

Executing the <pre><code>::first()</code></pre> tag

Applying the <pre><code>::group()</code></pre> method

Calling the <pre><code>::paginate()</code></pre> method

Using the <pre><code>::chunks()</code></pre> method

The

::paginate()

method in Eloquent returns paginated results, providing parameters to define how many records per page you want.

Question 4/15

😊 Your answer was correct 🙁 Your answer was incorrect

What is the purpose of accessors in Laravel Eloquent Models?

Available answers

To modify data before it is returned to the application

To validate data before applying filters

To modify data before it's saved to the database

To automatically parse incoming requests

Accessors are methods in Eloquent Models that modify the model's data when it is retrieved from the database, thereby providing controlled data manipulation.

Question 5/15

😊 Your answer was correct 🙁 Your answer was incorrect

Which method is used to define custom timestamps on Eloquent models?

Available answers

protected $timestamps

public $timestamps = false

const TIMESTAMP_COLUMNS

public $timestamps

Setting

public $timestamps = false

in a model class disables automatic timestamps handled by Eloquent.

Question 6/15

😊 Your answer was correct 🙁 Your answer was incorrect

What function allows you to synchronize intermediate tables for a many-to-many relationship?

Available answers

save()

sync()

attach()

link()

The

sync()

function allows updating the intermediate table for a many-to-many relationship by adding new records and removing any that are not present anymore.

Question 7/15

😊 Your answer was correct 🙁 Your answer was incorrect

What method is used to update or create a record based on matching attributes?

Available answers

::firstOrNew()

::saveOrFail()

::updateOrInsert()

::updateOrCreate()

The

::updateOrCreate()

method is used to update an existing record or create a new one if it doesn't exist based on the given attributes.

Question 8/15

😊 Your answer was correct 🙁 Your answer was incorrect

How do you define a relationship in a Laravel Eloquent model?

Available answers

Adding it to a controller

Using scopes

Utilizing the <pre><code>belongsTo</code></pre>, <pre><code>hasOne</code></pre>, <pre><code>hasMany</code></pre>, etc. methods

By setting a static property

Relationships in Eloquent are defined using methods like

belongsTo

hasOne

hasMany

, etc., in the model class.

Question 9/15

😊 Your answer was correct 🙁 Your answer was incorrect

If you want to get the latest record from a table based on a timestamp, which Eloquent method should you use?

Available answers

::where()

.orderByDesc()

.latest()

.oldest()

The

.latest()

method orders results by the created_at timestamp in descending order, effectively getting the latest record.

Question 10/15

😊 Your answer was correct 🙁 Your answer was incorrect

What method would convert an Eloquent collection into a JSON representation?

Available answers

toJSON()

serialize()

toJson()

toString()

The

toJson()

method will transform an Eloquent collection into its JSON representation.

Question 11/15

😊 Your answer was correct 🙁 Your answer was incorrect

Which Eloquent feature allows tracking of changes in data for auditing purposes?

Available answers

Soft deletes

Model Observers

Global Scopes

Timestamps

Model Observers in Laravel Eloquent can be used to observe changes on specific events like updating or deleting, making them useful for creating an audit trail.

Question 12/15

😊 Your answer was correct 🙁 Your answer was incorrect

To mass assign attributes in Eloquent and bypass the mass assignment protection, which method should be used?

Available answers

fill()

update()

create()

forceFill()

The

forceFill()

method fills the model with an array of attributes, bypassing protection against mass assignment.

Question 13/15

😊 Your answer was correct 🙁 Your answer was incorrect

When creating a many-to-many relationship in Eloquent, which of the following pivot table requirements is true?

Available answers

The pivot table name must be alphabetical order of the related models' names separated by an underscore.

The table must contain both primary keys as columns, the first prefixed by its related model.

The table must have an 'id' column for foreign keys.

The table must include a 'type' column to distinguish relationships.

The convention for pivot table names in Eloquent requires that the table name be the alphabetical order of the related model names separated by an underscore.

Question 14/15

😊 Your answer was correct 🙁 Your answer was incorrect

If you want a relationship to always load by default when querying a model, which feature in Eloquent would you use?

Available answers

Queriers

Eager loading using the <pre><code>$with</code></pre> property

Global Scopes

Model Observers

Eloquent models that always need to have certain relationships eager-loaded can define a

$with

property to specify these relationships.

Question 15/15

😊 Your answer was correct 🙁 Your answer was incorrect

How do you prevent an attribute from being mass-assignable in Eloquent models?

Available answers

Set <pre><code>protected</code></pre> variable

Add it to the <pre><code>$hidden</code></pre> array

Make it private

Include it in the <pre><code>$guarded</code></pre> array

The

$guarded

array in an Eloquent model is used to specify which attributes should not be mass assignable, effectively protecting them from mass assignment vulnerabilities.