🕵️♀️ 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 |
|---|---|---|---|---|
| 548 | Martin Landau | 1928-06-20 | Oscar-winning character act... | http://ia.media-imdb.com/im... |
| 549 | Adam Williams | 1922-11-26 | http://ia.media-imdb.com/im... | |
| 550 | Edward Platt | 1916-02-14 | Forever and fondly remember... | http://ia.media-imdb.com/im... |
| 551 | Robert Ellenstein | 1923-06-18 | The son of a Newark dentist... | http://ia.media-imdb.com/im... |
| 552 | Les Tremayne | 1913-04-16 | Born in Balham, England, an... | http://ia.media-imdb.com/im... |
| 553 | Philip Coolidge | 1908-08-25 | ||
| 554 | Patrick McVey | 1910-03-17 | ||
| 555 | Michael J. Fox | 1961-06-09 | Michael J. Fox was born Mic... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 569 | 163 | 40 | Ash |
| 570 | 511 | 40 | Parker |
| 571 | 512 | 40 | Alien |
| 572 | 513 | 40 | Mother (voice) |
| 573 | 514 | 41 | Chihiro (voice) |
| 574 | 515 | 41 | Yubaba / Zeniba (voice) |
| 575 | 516 | 41 | Lin (voice) |
| 576 | 517 | 41 | Kamajii (voice) |
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