[mysql] insert

Syntax:
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name [(col_name,...)]
    {VALUES | VALUE} ({expr | DEFAULT},...),(...),...
    [ on DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

Or:

INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name
    SET col_name={expr | DEFAULT}, ...
    [ on DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

Or:

INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name [(col_name,...)]
    SELECT ...
    [ on DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

> select * from topic;
+----+------------+-------------------+---------------------+----------+---------+
| id | title      | description       | created             | author   | profile |
+----+------------+-------------------+---------------------+----------+---------+
|  1 | MySQL      | MySQL is...       | 2018-01-01 12:10:11 | egoing   | NULL    |
|  2 | Oracle     | Oracle is ...     | 2018-01-03 13:01:10 | kio      | NULL    |
|  3 | SQL Server | SQL Server is ... | 2018-01-20 11:01:10 | kiostory | NULL    |
|  4 | PostgreSQL | PostgreSQL is ... | 2018-01-23 01:03:03 | freebee  | NULL    |
|  5 | MongoDB    | MongoDB is ...    | 2018-01-30 12:31:03 | cookieg  | NULL    |
+----+------------+-------------------+---------------------+----------+---------+
5 rows in set (0.0059 sec)

> insert into topic values('','CUBRID','CUBRID is ...',now(),'kio','I am me.');
Query OK, 1 row affected, 1 warning (0.0111 sec)
Warning (code 1366): Incorrect integer value: '' for column 'id' at row 1

> select * from topic;
+----+------------+-------------------+---------------------+----------+----------+
| id | title      | description       | created             | author   | profile  |
+----+------------+-------------------+---------------------+----------+----------+
|  1 | MySQL      | MySQL is...       | 2018-01-01 12:10:11 | egoing   | NULL     |
|  2 | Oracle     | Oracle is ...     | 2018-01-03 13:01:10 | kio      | NULL     |
|  3 | SQL Server | SQL Server is ... | 2018-01-20 11:01:10 | kiostory | NULL     |
|  4 | PostgreSQL | PostgreSQL is ... | 2018-01-23 01:03:03 | freebee  | NULL     |
|  5 | MongoDB    | MongoDB is ...    | 2018-01-30 12:31:03 | cookieg  | NULL     |
|  6 | CUBRID     | CUBRID is ...     | 2019-02-25 14:14:34 | kio      | I am me. |
+----+------------+-------------------+---------------------+----------+----------+