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【课件】超声检测物理基础--全文249页含公式及练习题

  • 2026-10-29 22:11:45
【课件】超声检测物理基础--全文249页含公式及练习题

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基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.074096s [ 吞吐率：13.50req/s ] 内存消耗：4,716.13kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=db394180e257dee157fa11d56f84bb61
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  1. CONNECT:[ UseTime:0.000636s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000839s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000402s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000377s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000554s ]
  6. SELECT * FROM `set` [ RunTime:0.000269s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000734s ]
  8. SELECT * FROM `article` WHERE `id` = 464380 LIMIT 1 [ RunTime:0.000410s ]
  9. UPDATE `article` SET `lasttime` = 1793998845 WHERE `id` = 464380 [ RunTime:0.001352s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000319s ]
  11. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000420s ]
  12. SELECT * FROM `article` WHERE `id` > 464380 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000378s ]
  13. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000821s ]
  14. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000626s ]
  15. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000869s ]
0.086929s