启动hiveserver2服务
[atguigu@hadoop102 hive]$ bin/hiveserver2
启动beeline
[atguigu@hadoop102 hive]$ bin/beeline
Beeline version 1.2.1 by Apache Hive
beeline>
连接hiveserver2
beeline> !connect jdbc:hive2://hadoop102:10000（回车）
Connecting to jdbc:hive2://hadoop102:10000
Enter username for jdbc:hive2://hadoop102:10000: atguigu（回车）
Enter password for jdbc:hive2://hadoop102:10000: （直接回车）
Connected to: Apache Hive (version 1.2.1)
Driver: Hive JDBC (version 1.2.1)
Transaction isolation: TRANSACTION_REPEATABLE_READ
0: jdbc:hive2://hadoop102:10000> show databases;
+----------------+--+
| database_name |
+----------------+--+
| default |
| hive_db2 |
+----------------+--+