12. Auto Increment(tweet table)
ID(Auto Increment) User tweet Like_count Created_At
1 0 test 0 2019-06-07 00:50:36
Insert into tweet values
(0, 0, ‘test’, 0, now());
를 실행하면
13. Auto Increment(tweet table)
ID(Auto Increment) User tweet Like_count Created_At
1 0 test 0 2019-06-07 00:50:36
또 Insert into tweet values
(0, 0, ‘test’, 0, now());
를 실행하면
14. Auto Increment(tweet table)
ID(Auto Increment) User tweet Like_count Created_At
1 0 test 0 2019-06-07 00:50:36
2 0 test 0 2019-06-07 00:50:43
또 Insert into tweet values
(0, 0, ‘test’, 0, now());
를 실행하면
15. Auto Increment(tweet table)
ID(Auto Increment) User tweet Like_count Created_At
1 0 test 0 2019-06-07 00:50:36
2 0 test 0 2019-06-07 00:50:43
자동으로 table 에서 유니크한
값으로 계속 증가합니다.