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10 lines
635 B
SQL
10 lines
635 B
SQL
mysql> explain select * from sakila.film where film_id mod 2 = 0 order by title;
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+----+-------------+-------+-------+---------------+-----------+---------+------+------+-------------+
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| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
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+----+-------------+-------+-------+---------------+-----------+---------+------+------+-------------+
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| 1 | SIMPLE | film | index | NULL | idx_title | 767 | NULL | 952 | Using where |
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+----+-------------+-------+-------+---------------+-----------+---------+------+------+-------------+
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1 row in set (0.01 sec)
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mysql> notee
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