Key matching conditions: examples

employees

## # A tibble: 100 × 2
##   name    birthday  
##   <chr>   <date>    
## 1 Kemba   2022-01-22
## 2 Orean   2022-06-26
## 3 Kirstyn 2022-02-11
## 4 Amparo  2022-11-11
## # ℹ 96 more rows

parties

## # A tibble: 4 × 4
##       q party      start      end       
##   <int> <date>     <date>     <date>    
## 1     1 2022-01-10 2022-01-01 2022-04-03
## 2     2 2022-04-04 2022-04-04 2022-07-10
## 3     3 2022-07-11 2022-07-11 2022-10-02
## 4     4 2022-10-03 2022-10-03 2022-12-31