🕵️♀️ 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 |
|---|---|---|---|---|
| 390 | John McIntire | 1907-06-27 | John McIntire possessed the... | http://ia.media-imdb.com/im... |
| 391 | Simon Oakland | 1915-08-28 | One of the movies' most mem... | http://ia.media-imdb.com/im... |
| 392 | Patricia Hitchcock | 1928-07-07 | http://ia.media-imdb.com/im... | |
| 393 | Vaughn Taylor | 1911-02-22 | Reedy, balding, often bespe... | http://ia.media-imdb.com/im... |
| 394 | Lurene Tuttle | 1907-08-20 | Quite a familiar lady and n... | http://ia.media-imdb.com/im... |
| 395 | John Anderson | 1922-10-20 | http://ia.media-imdb.com/im... | |
| 396 | Mort Mills | 1919-01-11 | ||
| 397 | Jean Reno | 1948-07-30 | Born in Casablanca, Morocco... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 392 | 352 | 27 | Barranca / Monkey Man |
| 393 | 353 | 27 | Col. Musgrove |
| 394 | 354 | 27 | Major Eaton |
| 395 | 355 | 27 | Bureaucrat |
| 396 | 356 | 27 | Jock |
| 397 | 357 | 27 | Australian Climber |
| 398 | 358 | 28 | L.B. 'Jeff' Jefferies |
| 399 | 359 | 28 | Lisa Carol Fremont |
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