MySQL 'insert on duplicate key update' should return '0 rows affected' on duplicate data. · Issue #973 · mysql-net/MySqlConnector · GitHub
![Ability to import CSV file into mysql with `ON DUPLICATE KEY UPDATE` option · Issue #10117 · dbeaver/dbeaver · GitHub Ability to import CSV file into mysql with `ON DUPLICATE KEY UPDATE` option · Issue #10117 · dbeaver/dbeaver · GitHub](https://user-images.githubusercontent.com/51405061/96723458-43100b80-13b7-11eb-90bd-d9bd030832b5.png)
Ability to import CSV file into mysql with `ON DUPLICATE KEY UPDATE` option · Issue #10117 · dbeaver/dbeaver · GitHub
![Mysql / MariaDB] 데이터 조회 후 없으면 insert , 있으면 update - insert into ... on duplicate key update (merge문) Mysql / MariaDB] 데이터 조회 후 없으면 insert , 있으면 update - insert into ... on duplicate key update (merge문)](https://blog.kakaocdn.net/dn/bZqpSb/btrOhXn6UQX/IoZEq0za7dCYQyBa0ueW80/img.jpg)