🕵️♀️ 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 |
|---|---|---|---|---|
| 625 | Anthony Milner | |||
| 626 | Lucy Skeaping | |||
| 567 | Casey Siemaszko | 1961-03-17 | Casey Siemasko is an extrem... | http://ia.media-imdb.com/im... |
| 568 | Billy Zane | 1966-02-24 | William George Zane Jr., be... | http://ia.media-imdb.com/im... |
| 569 | Harry Waters Jr. | |||
| 570 | Joseph Cotten | 1905-05-15 | Before Joseph Cotten became... | http://ia.media-imdb.com/im... |
| 571 | Dorothy Comingore | 1913-08-24 | http://ia.media-imdb.com/im... | |
| 572 | Agnes Moorehead | 1900-12-06 | Of Irish/English ancestry, ... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 577 | 518 | 41 | Chihiro's Mother (voice) |
| 578 | 519 | 41 | Chihiro's Father (voice) |
| 579 | 520 | 41 | Assistant Manager (voice) |
| 580 | 521 | 41 | Additional Voices (voice) |
| 581 | 522 | 41 | No-Face / Frog / Additional... |
| 582 | 523 | 41 | Additional Voices (voice) |
| 583 | 524 | 41 | Additional Voices (voice) |
| 584 | 525 | 41 | Additional Voices (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