Make channel invisible instead of deleting it

mysql> select chanid,name,visible,channum from channel where channum='38_1';

+--------+------------------+---------+---------+
| chanid | name | visible | channum |
+--------+------------------+---------+---------+
| 1045 | KCNSDT (KCNS-DT) | 1 | 38_1 |
+--------+------------------+---------+---------+
1 row in set (0.00 sec)

mysql> update channel set visible=0 where chanid=1045;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0