mysql:wikiadmin@db1083 [enwiki]> select * from querycache where qc_type = '' LIMIT 10;
+---------+----------+--------------+---------------------+
| qc_type | qc_value | qc_namespace | qc_title            |
+---------+----------+--------------+---------------------+
|         |        0 |            0 | !                   |
|         |        0 |            0 | !!                  |
|         |        0 |            0 | !'O-!khung_language |
|         |        0 |            0 | !=                  |
|         |        0 |            0 | !?                  |
|         |        0 |            0 | !?_(chess)          |
|         |        0 |            0 | !Gã!ne_language     |
|         |        0 |            0 | !Gã!nge_language    |
|         |        0 |            0 | !Hu_language        |
|         |        0 |            0 | !Hukwe_language     |
+---------+----------+--------------+---------------------+
10 rows in set (0.00 sec)