一：啟動

[[email protected] ~]# su - mysqladmin
Last login: Mon Jan  7 08:58:26 CST 2019 on pts/0
[[email protected] ~]$ mysql -uroot -p123456

mysql> use ruoze_d5
Database changed
mysql> show tables;
+---------------------------+
| Tables_in_ruoze_d5        |
+---------------------------+
| bucketing_cols            |
| cds                       |
| columns_v2                |
| database_params           |
| db_privs                  |
| dbs                       |
| func_ru                   |
| funcs                     |
| global_privs              |
| idxs                      |
| index_params              |
| part_col_privs            |
| part_col_stats            |
| part_privs                |
| partition_key_vals        |
| partition_keys            |
| partition_params          |
| partitions                |
| roles                     |
| sd_params                 |
| sds                       |
| sequence_table            |
| serde_params              |
| serdes                    |
| skewed_col_names          |
| skewed_col_value_loc_map  |
| skewed_string_list        |
| skewed_string_list_values |
| skewed_values             |
| sort_cols                 |
| tab_col_stats             |
| table_params              |
| tbl_col_privs             |
| tbl_privs                 |
| tbls                      |
| version                   |
+---------------------------+
36 rows in set (0.00 sec)

 

以上面為例，介紹元資料的各個功能:

Hive版本的元資料表