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#642609 ·published 2007-08-02 03:40 UTC
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I am wondering if my indexes are doing anything for me.

+---------+---------------------+-----------+--------------------------------+-----------+
| data_id | dtstamp             | listeners | song                           | stream_id |



+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+
| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment |
+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+
| data  |          0 | PRIMARY  |            1 | data_id     | A         |     2127190 |     NULL | NULL   |      | BTREE      |         | 
| data  |          1 | fk_data  |            1 | stream_id   | A         |        1488 |     NULL | NULL   |      | BTREE      |         | 
+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+

Example Query:

SELECT date(dtstamp) as date, TIME_FORMAT(dtstamp, '%l:%i%p') AS time, listeners, song from data WHERE  stream_id=? and date(dtstamp)=?