🕵️♀️ 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 |
|---|---|---|---|---|
| 131 | Zach Grenier | 1954-02-12 | http://ia.media-imdb.com/im... | |
| 132 | Richmond Arquette | 1963-08-21 | ||
| 133 | David Andrews | David Andrews, born and rai... | http://ia.media-imdb.com/im... | |
| 134 | George Maguire | 1946-12-04 | George Maguire is a renowne... | http://ia.media-imdb.com/im... |
| 135 | Eugenie Bondurant | 1961-04-27 | Eugenie Bondurant is a nati... | http://ia.media-imdb.com/im... |
| 136 | Christina Cabot | 1969-12-16 | The youngest daughter of ja... | http://ia.media-imdb.com/im... |
| 137 | Sydney 'Big Dawg' Colston | http://ia.media-imdb.com/im... | ||
| 138 | Rachel Singer |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 145 | 139 | 10 | Airline Attendant |
| 146 | 140 | 10 | Inspector Bird (as Tim de Z... |
| 147 | 141 | 10 | Inspector Dent |
| 148 | 142 | 11 | Luke Skywalker |
| 149 | 143 | 11 | Han Solo |
| 150 | 144 | 11 | Princess Leia |
| 151 | 145 | 11 | Lando Calrissian |
| 152 | 146 | 11 | C-3PO |
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