Last_Insert_Id() MySQL 함수는 AUTO_INCREMENT에 의해 최근에 할당된 시퀀스 번호를 찾는 데 사용됩니다.
예시
mysql> Create table Employee(Id INT PRIMARY KEY NOT NULL AUTO_INCREMENT, Name Varchar(5));
Query OK, 0 rows affected (0.13 sec)
mysql> Insert into Employee(Name) Values('Harvinder');
Query OK, 1 row affected (0.06 sec)
mysql> Insert into Employee(Name) Values('Suresh');
Query OK, 1 row affected (0.07 sec)
mysql> Select* from Employee;
+----+---------+
| Id | Name |
+----+---------+
| 1 |Harvinder|
| 2 | Suresh |
+----+---------+
2 rows in set (0.00 sec)
mysql> Select Last_insert_id();
+------------------+
| Last_insert_id() |
+------------------+
| 2 |
+------------------+
1 row in set (0.00 sec)