🕵️♀️ 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 |
|---|---|---|---|---|
| 412 | Gloria Swanson | 1899-03-27 | Gloria Swanson went to publ... | http://ia.media-imdb.com/im... |
| 413 | Erich von Stroheim | 1885-09-22 | http://ia.media-imdb.com/im... | |
| 414 | Nancy Olson | 1928-07-14 | She cast such a sunny, posi... | http://ia.media-imdb.com/im... |
| 415 | Fred Clark | 1914-03-19 | This popular, baggy-eyed, b... | http://ia.media-imdb.com/im... |
| 416 | Lloyd Gough | 1907-09-21 | ||
| 417 | Jack Webb | 1920-04-02 | John (Jack) Randolph Webb's... | http://ia.media-imdb.com/im... |
| 418 | Franklyn Farnum | 1878-06-05 | Boston-born Franklyn Farnum... | |
| 419 | Larry J. Blake | 1914-04-24 |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 424 | 383 | 29 | Peter Bailey |
| 425 | 384 | 29 | Cousin Tilly |
| 426 | 385 | 29 | Ruth Dakin Bailey |
| 427 | 386 | 30 | Norman Bates |
| 428 | 387 | 30 | Lila Crane |
| 429 | 388 | 30 | Sam Loomis |
| 430 | 389 | 30 | Marion Crane |
| 431 | 85 | 30 | Det. Milton Arbogast |
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