We connect models by using foreign key columns. Here's how a post might be associated with its comments:
| id | user_id | content |
|---|---|---|
| 97 | 1201 | Today I had the best ice cream! ... |
| 98 | 672 | Anybody else going to the Cubs game? |
| id | post_id | user_id | content |
|---|---|---|---|
| 301 | 97 | 812 | Strawberry is the best flavor IMO |
| 303 | 98 | 2305 | Wish I could go with you |
| 304 | 98 | 1208 | Yup I'll be right behind home plate |
| 302 | 97 | 498 | No way, mint chocolate chip LOL |