🕵️♀️ Task
The count method allows us to calculate the specific number of records that exist within an ActiveRecord::Relation.
LevelUp
0.0% complete
LevelUp
0.0% complete
| id | title | year | duration | description | image | director_id |
|---|
| id | name | dob | bio | image |
|---|
| id | name | dob | bio | image |
|---|---|---|---|---|
| 469 | Callum Keith Rennie | 1960-09-14 | Callum Keith Rennie was bor... | http://ia.media-imdb.com/im... |
| 470 | Kimberly Campbell | |||
| 471 | Marianne Muellerleile | 1948-11-26 | http://ia.media-imdb.com/im... | |
| 472 | Larry Holden | 1961-05-15 | Delighted in providing misi... | |
| 473 | Tom Sizemore | 1961-11-29 | Tom Sizemore rose in promin... | http://ia.media-imdb.com/im... |
| 474 | Edward Burns | 1968-01-29 | Edward Burns was born on Ja... | http://ia.media-imdb.com/im... |
| 475 | Barry Pepper | 1970-04-04 | Barry Robert Pepper was bor... | http://ia.media-imdb.com/im... |
| 476 | Adam Goldberg | 1970-10-25 | An actor with a talent for ... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 480 | 434 | 33 | Lamont |
| 481 | 435 | 33 | Rasmussen |
| 482 | 436 | 33 | Little Henry (as Jason Bose... |
| 483 | 437 | 33 | Lawrence |
| 484 | 438 | 33 | Mitch McCormick |
| 485 | 16 | 34 | Colonel Walter E. Kurtz |
| 486 | 439 | 34 | Captain Benjamin L. Willard |
| 487 | 20 | 34 | Lieutenant Colonel Bill Kil... |
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