mysql> show variables like 'collation_%';
+----------------------+-------------------+| Variable_name | Value |+----------------------+-------------------+| collation_connection | latin1_swedish_ci || collation_database | latin1_swedish_ci || collation_server | latin1_swedish_ci |+----------------------+-------------------+3 rows in set (0.00 sec)mysql> use lina;
Database changedmysql> create table test(name varchar(2));Query OK, 0 rows affected (0.03 sec)mysql> insert into test values('an'),('a'),('abc');
Query OK, 3 rows affected, 1 warning (0.00 sec)Records: 3 Duplicates: 0 Warnings: 1mysql> show warnings;
+---------+------+-------------------------------------------+| Level | Code | Message |+---------+------+-------------------------------------------+| Warning | 1265 | Data truncated for column 'name' at row 3 |+---------+------+-------------------------------------------+1 row in set (0.00 sec)mysql> select * from test;
+------+| name |+------+| an || a || ab |+------+3 rows in set (0.00 sec)