🕵️♀️ 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 |
|---|---|---|---|---|
| 202 | Henny Youngman | 1906-03-16 | A career of seven decades o... | http://ia.media-imdb.com/im... |
| 203 | Gina Mastrogiacomo | 1961-11-05 | http://ia.media-imdb.com/im... | |
| 204 | Catherine Scorsese | 1912-04-16 | http://ia.media-imdb.com/im... | |
| 205 | Charles Scorsese | 1913-05-08 | http://ia.media-imdb.com/im... | |
| 206 | Peter Cushing | 1913-05-26 | Peter Wilton Cushing was bo... | http://ia.media-imdb.com/im... |
| 207 | Phil Brown | 1916-04-30 | Born in Cambridge, Massachu... | |
| 208 | Shelagh Fraser | 1920-11-25 | ||
| 209 | Alex McCrindle | 1911-08-03 |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 233 | 208 | 16 | Aunt Beru |
| 234 | 154 | 16 | Chief Jawa |
| 235 | 209 | 16 | General Dodonna |
| 236 | 210 | 16 | General Willard |
| 237 | 211 | 16 | Red Leader (as Drewe Hemley) |
| 238 | 212 | 17 | Kikuchiyo (as Toshiro Mifune) |
| 239 | 213 | 17 | Kambei Shimada |
| 240 | 214 | 17 | Shino |
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