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输出结果为:
+----+-------------+-----------+------+---------------+------+---------+------+------+-------------+
| id | select_type | table | type | possible_keys| key | key_len| ref | rows | Extra |
+----+-------------+-----------+------+---------------+------+---------+------+------+-------------+
| 1 | SIMPLE | db_aa | ALL | NULL | NULL | NULL | NULL| 248 | Using where|
+----+-------------+-----------+------+---------------+------+---------+------+------+-------------+
请问是否有简单的方法可以去掉rows这列呢?
+----+-------------+-----------+------+---------------+------+---------+------+-------------+
| id | select_type | table | type | possible_keys| key | key_len| ref | Extra |
+----+-------------+-----------+------+---------------+------+---------+------+-------------+
| 1 | SIMPLE | db_aa | ALL | NULL | NULL | NULL | NULL | Using where|
+----+-------------+-----------+------+---------------+------+---------+------+-------------+
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