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mysql> EXPLAIN SELECT SQL_NO_CACHE * FROM articles WHERE article_id = '150001';
+----+-------------+----------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
+----+-------------+----------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| 1 | SIMPLE | articles | NULL | const | PRIMARY | PRIMARY | 34 | const | 1 | 100.00 | NULL |
+----+-------------+----------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
1 row in set, 1 warning (0.00 sec)
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