CRUD with Eloquent in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does CRUD stand for in the context of Eloquent?

CRUD stands for Create, Read, Update, and Delete. These are the four basic operations you can perform on database records using Eloquent.

beginner

How do you create a new record using Eloquent?

You create a new record by creating a new model instance, setting its properties, and then calling the save() method. For example:<br>$user = new User();<br>$user->name = 'Alice';<br>$user->save();

beginner

How do you retrieve all records from a table using Eloquent?

Use the all() method on the model to get all records. For example:<br>$users = User::all();<br>This returns a collection of all user records.

beginner

How do you update an existing record with Eloquent?

First, find the record by its ID, then change the properties, and call save(). For example:<br>$user = User::find(1);<br>$user->name = 'Bob';<br>$user->save();

beginner

How do you delete a record using Eloquent?

Find the record and call the delete() method. For example:<br>$user = User::find(1);<br>$user->delete();<br>This removes the record from the database.

Which Eloquent method retrieves all records from a table?

A first()

B get()

C find()

D all()

The all() method returns all records from the model's table as a collection.

What is the correct way to save a new record in Eloquent?

A $user = new User(); $user->save();

B $user = User::find(1); $user->save();

C User::all();

D User::delete();

Creating a new model instance and calling save() stores a new record.

How do you update a record with ID 5 in Eloquent?

A $user = new User(); $user->save();

B User::all();

C $user = User::find(5); $user->name = 'New'; $user->save();

D User::delete(5);

Find the record by ID, change properties, then save to update.

Which method deletes a record in Eloquent?

A delete()

B remove()

C destroy()

D erase()

The delete() method removes the record from the database.

What does the find() method do in Eloquent?

A Creates a new record

B Finds a record by its primary key

C Deletes a record

D Retrieves all records

find() looks up a record by its primary key, usually the ID.

Explain how to perform all four CRUD operations using Eloquent in Laravel.

Think about how you handle records step-by-step for each operation.

Describe the role of the save() method in Eloquent CRUD operations.

save() is key for both creating and updating.