认字复制mysql> SHOW VARIABLES LIKE character%;    +--------------------------+---------------------------------+    | Variable_name | Value |    +--------------------------+---------------------------------+    | character_set_client | latin1 |    | character_set_connection | latin1 |    | character_set_database | latin1 |    | character_set_filesystem | binary |    | character_set_results | latin1 |    | character_set_server | latin1 |    | character_set_system | utf8 |    | character_sets_dir | D:"mysql-5.0.37"share"charsets" |    +--------------------------+---------------------------------+    mysql> SHOW VARIABLES LIKE collation_%;    +----------------------+-----------------+    | Variable_name | Value |    +----------------------+-----------------+    | collation_connection | utf8_general_ci |    | collation_database | utf8_general_ci |    | collation_server | utf8_general_ci |    +----------------------+-----------------+    1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.