🕵️♀️ 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 |
|---|---|---|---|---|
| 504 | Shane Rimmer | 1932-05-28 | http://ia.media-imdb.com/im... | |
| 505 | Hal Galili | |||
| 506 | Tom Skerritt | 1933-08-25 | Lean, ruggedly handsome lea... | http://ia.media-imdb.com/im... |
| 507 | Sigourney Weaver | 1949-10-08 | Sigourney Weaver was born S... | http://ia.media-imdb.com/im... |
| 508 | Veronica Cartwright | 1949-04-20 | Born in Bristol, England, V... | http://ia.media-imdb.com/im... |
| 509 | Harry Dean Stanton | 1926-07-14 | Prolific character actor wi... | http://ia.media-imdb.com/im... |
| 510 | John Hurt | 1940-01-22 | This transatlantic talent w... | http://ia.media-imdb.com/im... |
| 511 | Yaphet Kotto | 1939-11-15 | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 520 | 465 | 36 | Leonard's Wife |
| 521 | 466 | 36 | Sammy Jankis |
| 522 | 467 | 36 | Mrs. Jankis |
| 523 | 468 | 36 | Doctor |
| 525 | 470 | 36 | Blonde |
| 526 | 471 | 36 | Tattooist |
| 527 | 472 | 36 | Jimmy |
| 528 | 227 | 37 | Captain Miller |
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