WEB开发网
开发学院数据库MySQL Mysql教程:性能跟踪语句 阅读

Mysql教程:性能跟踪语句

 2008-08-30 11:07:25 来源:WEB开发网   
核心提示: | Creating tmp table | 0.000029| 0 | 0|0 | 0 | 0 || executing| 0.000005| 0 | 0|0 | 0 | 0 || Copying to tmp table | 1.262877| 1.24981 | 0.012998 |

| Creating tmp table      | 0.000029 | 0     | 0     |      0 |       0 |   0 |

| executing          | 0.000005 | 0     | 0     |      0 |       0 |   0 |

| Copying to tmp table     | 1.262877 | 1.24981  | 0.012998  |      0 |       0 |   0 |

| converting HEAP to MyISAM  | 0.384814 | 0.187971 | 0.19797  |      0 |       0 |   0 |

| Copying to tmp table on disk | 1.417069 | 1.203817 | 0.191971  |      0 |       0 |   0 |

| Sending data         | 31.104185 | 13.965877 | 0.843872  |      0 |       0 |   0 |

| end             | 0.000017 | 0     | 0     |      0 |       0 |   0 |

| removing tmp table      | 0.134872 | 0     | 0.029995  |      0 |       0 |   0 |

| end             | 0.000026 | 0     | 0     |      0 |       0 |   0 |

| query end          | 0.000006 | 0     | 0     |      0 |       0 |   0 |

| freeing items        | 0.000011 | 0     | 0     |      0 |       0 |   0 |

| closing tables        | 0.000009 | 0     | 0     |      0 |       0 |   0 |

| logging slow query      | 0.000049 | 0     | 0     |      0 |       0 |   0 |

上一页  1 2 3 4 5 6 7 8 9 10  下一页

Tags:Mysql 教程 性能

编辑录入:爽爽 [复制链接] [打 印]
赞助商链接