当前位置：首页>PPT>【优秀课例】跌落神坛的“铝”(视频+PPT课件)

【优秀课例】跌落神坛的“铝”(视频+PPT课件)

2026-08-12 11:57:08

【优秀课例】跌落神坛的“铝”(视频+PPT课件)

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执教：王君瑶

单位：鲁东大学化学与化工学院

指导：马松梅

课例视频

01

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课件展示

课件下载方法
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【第2步】复制如下链接，然后打开“夸克app”，即可查看、保存、下载。
链接：https://pan.quark.cn/s/3ddbaff63d6e

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基本文件流程错误 SQL 调试

请求信息 : 2026-08-13 03:25:20 HTTP/2.0 GET : https://h.sjds.net/a/545082.html
运行时间 : 0.235290s [ 吞吐率：4.25req/s ] 内存消耗：4,319.51kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=435a5d4f78eefa014c15c53666701bcf

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CONNECT:[ UseTime:0.000984s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001244s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.020125s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.009999s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001405s ]
SELECT * FROM `set` [ RunTime:0.000519s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001265s ]
SELECT * FROM `article` WHERE `id` = 545082 LIMIT 1 [ RunTime:0.000892s ]
UPDATE `article` SET `lasttime` = 1786562720 WHERE `id` = 545082 [ RunTime:0.003781s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000679s ]
SELECT * FROM `article` WHERE `id` < 545082 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001174s ]
SELECT * FROM `article` WHERE `id` > 545082 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001148s ]
SELECT * FROM `article` WHERE `id` < 545082 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.025558s ]
SELECT * FROM `article` WHERE `id` < 545082 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011471s ]
SELECT * FROM `article` WHERE `id` < 545082 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001806s ]

0.236721s

ShowPageTrace