🕵️♀️ 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 |
|---|---|---|---|---|
| 454 | Castulo Guerra | 1945-08-24 | An actor with an internatio... | http://ia.media-imdb.com/im... |
| 455 | Danny Cooksey | 1975-11-02 | http://ia.media-imdb.com/im... | |
| 456 | Jenette Goldstein | 1960-02-04 | Jenette Goldstein is a true... | http://ia.media-imdb.com/im... |
| 457 | Xander Berkeley | 1955-12-16 | Xander's father was a paint... | http://ia.media-imdb.com/im... |
| 458 | Leslie Hamilton Gearren | 1956-09-26 | ||
| 459 | Ken Gibbel | |||
| 460 | Robert Winley | 1952-12-09 | ||
| 461 | Peter Schrum | 1934-12-16 | Attending a catholic school... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 464 | 420 | 32 | 2nd Finance Man |
| 465 | 421 | 32 | Cecil B. DeMille (as Cecil ... |
| 466 | 422 | 32 | Hedda Hopper |
| 467 | 423 | 32 | Buster Keaton |
| 468 | 424 | 32 | Anna Q. Nilsson |
| 469 | 380 | 32 | H. B. Warner |
| 470 | 127 | 33 | Derek Vinyard |
| 471 | 425 | 33 | Danny Vinyard |
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