MariaDB [test]>  create table t10 (a int);

Query OK, 0 rows affected (0.32 sec)

MariaDB [test]> analyze format=json select * from t10\G

*************************** 1. row ***************************

EXPLAIN: {

  "query_block": {

    "select_id": 1,

    "r_loops": 1,

    "r_total_time_ms": 0.4534,

    "table": {

      "table_name": "t10",

      "access_type": "ALL",

      "r_loops": 1,

      "rows": 1,

      "r_rows": 0,

      "r_total_time_ms": 0.1,

      "filtered": 100,

      "r_filtered": 100

    }

  }

}