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09/16/2009 at 08:21AM PDT, ID: 24736622
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8.7

MySQL / PHP select data faster

Asked by us-pata in Databases Miscellaneous, PHP and Databases, PHP Scripting Language

Tags: php, mysql, sql, select

Hi.

I have a database with about 200k entries, and i try to show 20 next entries from entrynum ie. 84800.
This takes 4-8 seconds to execute, wich is way to long for å web-site.

Is there any way to execute this faster?
See the code field for the code i use. 
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mysql>  SELECT *
    -> FROM `images`
    -> WHERE chan = 'b'
    -> AND `reported`
    -> IN (
    -> '0', '1'
    -> )
    -> ORDER BY `id` ASC
    -> LIMIT 84800 , 20;
+--------+------+-------------------+----------------------------------+----------+-------+--------+----------+
| id     | chan | image             | md5                              | filesize | width | height | reported |
+--------+------+-------------------+----------------------------------+----------+-------+--------+----------+
| 116191 | b    | 1239642027572.jpg | 29cf26da75477b17dde7f44122c41c3b | 234525   | 881   | 1236   |        0 |
| 116192 | b    | 1239642039503.jpg | cdc0e5f8351c7b190f27b5452da40e29 | 30215    | 600   | 540    |        0 |
| 116193 | b    | 1239642042452.jpg | 5f4123fdf1aae8a5e26876761f20c17c | 160723   | 407   | 405    |        0 |
| 116194 | b    | 1239642044911.jpg | a65944cf224022426e7c959e5017bd83 | 86380    | 313   | 500    |        0 |
| 116195 | b    | 1239642045388.jpg | a9f32fa77d059d515c53c151a535f49f | 40498    | 640   | 342    |        0 |
| 116196 | b    | 1239642045716.jpg | 600f427fa525222538889a843edb45b1 | 65437    | 480   | 640    |        0 |
| 116197 | b    | 1239642047695.jpg | be4396ca231a3cd363483e27c8911464 | 162712   | 435   | 625    |        0 |
| 116198 | b    | 1239642050263.png | 51bedfb85f01b34f8338f29492800cc4 | 49279    | 901   | 538    |        0 |
| 116199 | b    | 1239642063400.jpg | 3815c2c4929a2b5fd0ea85a0b50c2b19 | 68896    | 469   | 297    |        0 |
| 116200 | b    | 1239642065678.jpg | 1fcd8f583ea7080c18ddef9dc0e3bdc8 | 152658   | 612   | 816    |        0 |
| 116201 | b    | 1239642067773.jpg | afb15e7adbf9a8cc7af801d311fefac4 | 27547    | 450   | 287    |        0 |
| 116202 | b    | 1239642071811.jpg | 42ac9aabd18996eeeca790a1f6f3a460 | 201878   | 834   | 1200   |        0 |
| 116203 | b    | 1239642076646.jpg | 3d5741c33476be17b1856a4619d26166 | 33359    | 492   | 370    |        0 |
| 116204 | b    | 1239642083927.jpg | 05f26039eb45647842937ff2e3dd48ec | 580083   | 1920  | 2576   |        0 |
| 116205 | b    | 1239642095095.jpg | 6978f1dd9812ceb682bc3e1a93dce724 | 22370    | 600   | 449    |        0 |
| 116206 | b    | 1239642105383.jpg | 0f67bb8adb74573c26b5d88a458572f1 | 236253   | 834   | 1200   |        0 |
| 116207 | b    | 1239642109318.jpg | 0737fc2429e6819ca2844d642933b82e | 90907    | 500   | 346    |        0 |
| 116208 | b    | 1239642112126.jpg | da391b6c8b68516dea67685755ebcfe9 | 64688    | 600   | 450    |        0 |
| 116209 | b    | 1239642113695.jpg | 79f692bdf914945e31d64bd97dbc169f | 186740   | 640   | 480    |        0 |
| 116210 | b    | 1239642118165.jpg | 52f2df0e7f89ce55b35c95ee2916d59d | 878492   | 2280  | 1600   |        0 |
+--------+------+-------------------+----------------------------------+----------+-------+--------+----------+
20 rows in set (6.65 sec)
 
Keywords: MySQL / PHP select data faster
Title
1 checking credentials before inserting p…
2 Databases - What's the difference
 
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[+][-]09/16/09 08:41 AM, ID: 25346834

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About this solution

Zones: Databases Miscellaneous, PHP and Databases, PHP Scripting Language
Tags: php, mysql, sql, select
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Solution Provided By: wuff1uk
Participating Experts: 3
Solution Grade: A
 
 
 
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