🕵️♀️ 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 |
|---|---|---|---|---|
| 512 | Bolaji Badejo | http://ia.media-imdb.com/im... | ||
| 513 | Helen Horton | 1923-11-21 | ||
| 514 | Daveigh Chase | 1990-07-24 | Daveigh Chase was born on J... | http://ia.media-imdb.com/im... |
| 515 | Suzanne Pleshette | 1937-01-31 | Suzanne Pleshette achieved ... | http://ia.media-imdb.com/im... |
| 516 | Susan Egan | 1970-02-18 | http://ia.media-imdb.com/im... | |
| 517 | David Ogden Stiers | 1942-10-31 | David Ogden Stiers was born... | http://ia.media-imdb.com/im... |
| 518 | Lauren Holly | 1963-10-28 | http://ia.media-imdb.com/im... | |
| 561 | Marc McClure | 1957-03-31 | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 529 | 473 | 37 | Sergeant Horvath |
| 530 | 474 | 37 | Private Reiben |
| 531 | 475 | 37 | Private Jackson |
| 532 | 476 | 37 | Private Mellish |
| 533 | 477 | 37 | Private Caparzo |
| 534 | 478 | 37 | T-4 Medic Wade |
| 535 | 479 | 37 | Corporal Upham |
| 536 | 480 | 37 | Private Ryan |
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