🕵️♀️ 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 |
|---|---|---|---|---|
| 183 | Tom Hardy | 1977-09-15 | With his breakthrough perfo... | http://ia.media-imdb.com/im... |
| 270 | Jefechander Suplino | |||
| 184 | Ken Watanabe | 1959-10-21 | Both of Ken Watanabe's pare... | http://ia.media-imdb.com/im... |
| 185 | Dileep Rao | 1973-07-29 | http://ia.media-imdb.com/im... | |
| 186 | Tom Berenger | 1949-05-31 | Born in Chicago, Illinois, ... | http://ia.media-imdb.com/im... |
| 187 | Marion Cotillard | 1975-09-30 | Academy Award-winning Frenc... | http://ia.media-imdb.com/im... |
| 188 | Pete Postlethwaite | 1946-02-07 | An odd-looking but quite fa... | http://ia.media-imdb.com/im... |
| 189 | Lukas Haas | 1976-04-16 | Lukas was born on April 16,... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 201 | 187 | 14 | Mal |
| 202 | 188 | 14 | Maurice Fischer |
| 203 | 74 | 14 | Miles |
| 204 | 189 | 14 | Nash |
| 205 | 190 | 14 | Tadashi |
| 206 | 191 | 14 | Phillipa (3 years) |
| 207 | 192 | 14 | James (20 months) |
| 208 | 31 | 15 | James Conway |
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