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机械密封培训PPT,小白看完全懂了!

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  1. CONNECT:[ UseTime:0.001071s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001578s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000605s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000510s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001141s ]
  6. SELECT * FROM `set` [ RunTime:0.000496s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001275s ]
  8. SELECT * FROM `article` WHERE `id` = 489402 LIMIT 1 [ RunTime:0.000836s ]
  9. UPDATE `article` SET `lasttime` = 1776067057 WHERE `id` = 489402 [ RunTime:0.013486s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000318s ]
  11. SELECT * FROM `article` WHERE `id` < 489402 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000662s ]
  12. SELECT * FROM `article` WHERE `id` > 489402 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000475s ]
  13. SELECT * FROM `article` WHERE `id` < 489402 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000682s ]
  14. SELECT * FROM `article` WHERE `id` < 489402 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000573s ]
  15. SELECT * FROM `article` WHERE `id` < 489402 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002915s ]
0.152651s