🕵️♀️ 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 |
|---|---|---|---|---|
| 116 | John Bach | 1946-06-05 | http://ia.media-imdb.com/im... | |
| 117 | Sean Bean | 1959-04-17 | Sean worked for his father'... | http://ia.media-imdb.com/im... |
| 118 | Cate Blanchett | 1969-05-14 | Cate Blanchett was born on ... | http://ia.media-imdb.com/im... |
| 119 | Orlando Bloom | 1977-01-13 | Orlando Bloom was born in C... | http://ia.media-imdb.com/im... |
| 120 | Billy Boyd | 1968-08-28 | Born in Glasgow, Scotland i... | http://ia.media-imdb.com/im... |
| 121 | Sadwyn Brophy | |||
| 122 | Alistair Browning | |||
| 372 | Donna Reed | 1921-01-27 | Donna Reed was born in the ... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 129 | 123 | 9 | Celeborn |
| 130 | 124 | 9 | Gondorian Soldier 1 |
| 131 | 125 | 9 | Uruk 2 |
| 132 | 126 | 9 | Theoden |
| 133 | 127 | 10 | The Narrator |
| 134 | 128 | 10 | Tyler Durden |
| 135 | 129 | 10 | Marla Singer |
| 136 | 130 | 10 | Robert 'Bob' Paulson (as Me... |
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