解决hive建表出现中文乱码的问题

[client]
default-character-set=utf8
[mysqld]
default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci

alter table COLUMNS_V2 modify column COMMENT varchar(256) character set utf8;
alter table TABLE_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8;

alter table PARTITION_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8 ;

alter table PARTITION_KEYS modify column PKEY_COMMENT varchar(4000) character set utf8;

<property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://localhost:3306/metastore?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=UTF-8</value>
    <description>database username for metastore</description>
</property>

<property>
  <name>hive.cli.print.header</name>
  <value>true</value>
  <description>Whether to print the names of the columns in query output.</description>
</property>
<property>
  <name>hive.cli.encoding</name>
  <value>UTF-8</value>
  <description>Character-set encoding for various CLI output data such as console output, logs, reports.</description>
</property>
<property>
  <name>hive.charset</name>
  <value>utf8</value>
  <description>The character set encoding to use for data read/write operations.</description>
</property>

CREATE TABLE mytable (
  id INT COMMENT '编号',
  name STRING COMMENT '姓名'
)
COMMENT '学生信息表'
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
STORED AS TEXTFILE
TBLPROPERTIES (
  'serialization.null.format' = '',
  'charset'='utf8', -- 指定字符集编码为UTF-8
  'orc.compress'='SNAPPY'
);