🕵️♀️ 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 |
|---|---|---|---|---|
| 588 | Barry Nelson | 1917-04-16 | A genial, well-respected, a... | http://ia.media-imdb.com/im... |
| 589 | Philip Stone | 1924-04-14 | ||
| 590 | Joe Turkel | 1927-07-15 | http://ia.media-imdb.com/im... | |
| 591 | Anne Jackson | 1926-09-03 | http://ia.media-imdb.com/im... | |
| 592 | Tony Burton | 1937-03-23 | Tony Burton, who is famous ... | http://ia.media-imdb.com/im... |
| 593 | Lia Beldam | |||
| 594 | Billie Gibson | |||
| 595 | Barry Dennen | 1938-02-22 | A man you certainly love to... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 593 | 491 | 42 | Burglar |
| 594 | 533 | 42 | Gamin's Father |
| 595 | 490 | 42 | President of the Electro St... |
| 596 | 534 | 42 | Prison Cellmate (as Dick Al... |
| 597 | 535 | 42 | Minister |
| 598 | 536 | 42 | Minister's Wife (as Myra Mc... |
| 599 | 537 | 42 | J. Widdecombe Billows (as M... |
| 600 | 538 | 42 | Juvenile Officer |
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