🕵️♀️ 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 |
|---|---|---|---|---|
| 161 | Michael Elsworth | 1932-06-12 | ||
| 162 | Mark Ferguson | 1961-02-28 | http://ia.media-imdb.com/im... | |
| 163 | Ian Holm | 1931-09-12 | Sir Ian Holm is an Academy ... | http://ia.media-imdb.com/im... |
| 164 | Christopher Lee | 1922-05-27 | British actor Christopher L... | http://ia.media-imdb.com/im... |
| 165 | Michael Berryman | 1948-09-04 | Late 1970s horror genre ico... | http://ia.media-imdb.com/im... |
| 244 | Carrie-Anne Moss | 1967-08-21 | Carrie-Anne Moss was born o... | http://ia.media-imdb.com/im... |
| 245 | Hugo Weaving | 1960-04-04 | http://ia.media-imdb.com/im... | |
| 166 | Peter Brocco | 1903-01-16 | Prolific, sharp-featured Am... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 177 | 164 | 12 | Saruman |
| 178 | 165 | 13 | Ellis |
| 179 | 166 | 13 | Col. Matterson |
| 180 | 167 | 13 | Dr. Spivey |
| 181 | 168 | 13 | Miller |
| 182 | 169 | 13 | Turkle |
| 183 | 170 | 13 | Warren |
| 184 | 171 | 13 | Martini |
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