SHOW CREATE TAG/EDGE
示例
nebula> SHOW CREATE TAG player;
+----------+-----------------------------------+
| Tag | Create Tag |
+----------+-----------------------------------+
| | `name` string NULL, |
| | `age` int64 NULL |
| | ) ttl_duration = 0, ttl_col = """ |
+----------+-----------------------------------+
| Edge | Create Edge |
+----------+-----------------------------------+
| "follow" | "CREATE EDGE `follow` ( |
| | `degree` int64 NULL |
+----------+-----------------------------------+