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mysql> show tables;
+-----------------+
| Tables_in_w0811 |
+-----------------+
| t |
| w_engine |
| w_engine_b |
| w_engine_c |
| w_int |
+-----------------+
5 rows in set (0.00 sec)
mysql> create table if not exists student
-> (
-> sno int primary key,
-> sname VARCHAR(20) CHARACTER SET gbk,
-> sage TINYINT,
-> shair ENUM(‘黑‘,‘白‘)
-> );
ERROR 1291 (HY000): Column ‘shair‘ has duplicated value ‘?‘ in ENUM
mysql> insert into student values(‘1‘,‘李强‘,23,‘黑‘);
ERROR 1146 (42S02): Table ‘w0811.student‘ doesn‘t exist
mysql> insert into student values(‘2‘,‘刘丽‘,22,‘白‘);
ERROR 1146 (42S02): Table ‘w0811.student‘ doesn‘t exist
mysql> insert into student values(‘5‘,‘张友‘,22,‘黑‘);
ERROR 1146 (42S02): Table ‘w0811.student‘ doesn‘t exist
mysql> insert into student values(‘53‘,‘张友‘,22,‘额黑‘);
ERROR 1146 (42S02): Table ‘w0811.student‘ doesn‘t exist
mysql> select * from student;
ERROR 1146 (42S02): Table ‘w0811.student‘ doesn‘t exist
mysql>
mysql> show tables;
+-----------------+
| Tables_in_w0811 |
+-----------------+
| t |
| w_engine |
| w_engine_b |
| w_engine_c |
| w_int |
+-----------------+
5 rows in set (0.00 sec)
mysql> create table if not exists student
-> (
-> sno int primary key,
-> sname VARCHAR(20) CHARACTER SET gbk,
-> sage TINYINT,
-> shair ENUM(‘黑‘,‘白‘) CHARACTER SET gbk
-> );
Query OK, 0 rows affected (0.01 sec)
mysql> insert into student values(‘1‘,‘李强‘,23,‘黑‘);
Query OK, 1 row affected (0.00 sec)
mysql> insert into student values(‘2‘,‘刘丽‘,22,‘白‘);
Query OK, 1 row affected (0.00 sec)
mysql> insert into student values(‘5‘,‘张友‘,22,‘黑‘);
Query OK, 1 row affected (0.00 sec)
mysql> insert into student values(‘53‘,‘张友‘,22,‘额黑‘);
ERROR 1265 (01000): Data truncated for column ‘shair‘ at row 1
mysql> select * from student;
+-----+-------+------+-------+
| sno | sname | sage | shair |
+-----+-------+------+-------+
| 1 | 李强 | 23 | 黑 |
| 2 | 刘丽 | 22 | 白 |
| 5 | 张友 | 22 | 黑 |
+-----+-------+------+-------+
3 rows in set (0.00 sec)
mysql>
mysql> show variables like ‘%set%‘;
+---------------------------------------+---------------------------------------
----------+
| Variable_name | Value
|
+---------------------------------------+---------------------------------------
----------+
| auto_increment_offset | 1
|
| character_set_client | gbk
|
| character_set_connection | gbk
|
| character_set_database | latin1
|
| character_set_filesystem | binary
|
| character_set_results | gbk
|
| character_set_server | latin1
|
| character_set_system | utf8
|
| character_sets_dir | D:\wamp64\bin\mysql\mysql5.7.11\sharecharsets\ |
| innodb_monitor_reset |
|
| innodb_monitor_reset_all |
|
| optimizer_trace_offset | -1
|
| performance_schema_setup_actors_size | -1
|
| performance_schema_setup_objects_size | -1
|
| transaction_write_set_extraction | OFF
|
+---------------------------------------+---------------------------------------
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原文地址：http://www.cnblogs.com/yuanjiangw/p/5766989.html
