🕵️♀️ 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 |
|---|---|---|---|---|
| 462 | Guy Pearce | 1967-10-05 | Born in 1967 in Cambridgesh... | http://ia.media-imdb.com/im... |
| 463 | Mark Boone Junior | 1955-03-17 | http://ia.media-imdb.com/im... | |
| 464 | Russ Fega | http://ia.media-imdb.com/im... | ||
| 556 | Christopher Lloyd | 1938-10-22 | http://ia.media-imdb.com/im... | |
| 465 | Jorja Fox | 1968-07-07 | Jorja Fox has become a fami... | http://ia.media-imdb.com/im... |
| 466 | Stephen Tobolowsky | 1951-05-30 | Character actor Stephen Tob... | http://ia.media-imdb.com/im... |
| 467 | Harriet Sansom Harris | 1955-01-08 | Born in Texas, Harriet Sans... | http://ia.media-imdb.com/im... |
| 468 | Thomas Lennon | 1970-08-09 | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 472 | 426 | 33 | Doris Vinyard |
| 473 | 427 | 33 | Davina Vinyard |
| 474 | 428 | 33 | Seth Ryan |
| 475 | 429 | 33 | Stacey |
| 476 | 430 | 33 | Dr. Bob Sweeney |
| 477 | 431 | 33 | Murray |
| 478 | 432 | 33 | Cameron Alexander |
| 479 | 433 | 33 | Dennis Vinyard |
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