🕵️♀️ Task
The count method allows us to calculate the specific number of records that exist within an ActiveRecord::Relation.
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| id | title | year | duration | description | image | director_id |
|---|
| id | name | dob | bio | image |
|---|
| id | name | dob | bio | image |
|---|---|---|---|---|
| 490 | Al Ernest Garcia | 1887-03-11 | ||
| 491 | Hank Mann | 1887-05-28 | ||
| 492 | Charles Chaplin | 1889-04-16 | Charlie Chaplin, considered... | http://ia.media-imdb.com/im... |
| 493 | Peter Sellers | 1925-09-08 | Often credited as the great... | http://ia.media-imdb.com/im... |
| 494 | George C. Scott | 1927-10-18 | George C. Scott was an imme... | http://ia.media-imdb.com/im... |
| 495 | Slim Pickens | 1919-06-29 | Slim Pickens spent the earl... | http://ia.media-imdb.com/im... |
| 496 | Peter Bull | 1912-03-21 | http://ia.media-imdb.com/im... | |
| 559 | Thomas F. Wilson | 1959-04-15 | Tom Wilson is a creative ar... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 504 | 451 | 35 | Dr. Silberman |
| 505 | 452 | 35 | Miles Dyson |
| 506 | 453 | 35 | Tarissa Dyson |
| 507 | 454 | 35 | Enrique Salceda |
| 508 | 455 | 35 | Tim |
| 509 | 456 | 35 | Janelle Voight |
| 510 | 457 | 35 | Todd Voight |
| 511 | 458 | 35 | Twin Sarah |
Count how many records are in the customers table.
Customer.all.count
=> 327
Count how many records are in the products table.
Product.all.count
=> 183946