🕵️♀️ 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 |
|---|---|---|---|---|
| 420 | Charles Dayton | |||
| 421 | Cecil B. DeMille | 1881-08-12 | His parents Henry C. DeMill... | http://ia.media-imdb.com/im... |
| 422 | Hedda Hopper | 1885-05-02 | Her father was a butcher. I... | http://ia.media-imdb.com/im... |
| 423 | Buster Keaton | 1895-10-04 | When, at six months, he tum... | http://ia.media-imdb.com/im... |
| 424 | Anna Q. Nilsson | 1888-03-30 | Anna Quirentia Nilsson, pop... | |
| 425 | Edward Furlong | 1977-08-02 | http://ia.media-imdb.com/im... | |
| 426 | Beverly D'Angelo | 1951-11-15 | Intriguing, inspiring, and ... | http://ia.media-imdb.com/im... |
| 519 | Michael Chiklis | 1963-08-30 | Educated at Boston Universi... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 432 | 390 | 30 | Sheriff Al Chambers |
| 433 | 391 | 30 | Dr. Fred Richman |
| 434 | 381 | 30 | Tom Cassidy |
| 435 | 392 | 30 | Caroline (as Pat Hitchcock) |
| 436 | 393 | 30 | George Lowery |
| 437 | 394 | 30 | Mrs. Chambers |
| 438 | 395 | 30 | California Charlie |
| 439 | 396 | 30 | Highway Patrol 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