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大厂面试真题:必考点-SQL分享!

  • 2026-03-31 14:27:59
大厂面试真题:必考点-SQL分享!

MySQL在 8.0 版本后新增了开窗函数，开窗函数功能强大，可以解决复杂报表统计需求，在日常工作中非常实用，也是面试常考的知识点。

本次课程黑马老师将会解析金融企业的SQL面试真题，带大家掌握开窗函数。

【课程名称】

面试宝典--大厂必考知识开窗函数

【课程时间】

今晚（3月17日）19:00

【主讲内容】

1.详解MySQL8.0新特性开窗函数
2.招商银行+交通银行面试题解析
3.手把手带你实现跨越物流需求

【黑马讲师】郭老师

10年研发教学经验，精通大数据与数据分析。

扫描下方二维码

直达直播间

▼

又又又发布新教程了！黑马大佬说：技术要学新的！

2023-03-14

看完清华最新发布的毕业生去向，我沉默了

2023-03-13

北邮大学生爆料：985、211出来之前也得看看黑马！

2023-03-10
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

大厂真题:微服务的集成测试

据说是某top2大厂Java笔试真题

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  1. CONNECT:[ UseTime:0.000959s ] mysql:host=127.0.0.1;port=3306;dbname=c_15386;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001636s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003395s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000822s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001571s ]
  6. SELECT * FROM `set` [ RunTime:0.000721s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001933s ]
  8. SELECT * FROM `article` WHERE `id` = 457796 LIMIT 1 [ RunTime:0.002635s ]
  9. UPDATE `article` SET `lasttime` = 1775248064 WHERE `id` = 457796 [ RunTime:0.003597s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000611s ]
  11. SELECT * FROM `article` WHERE `id` < 457796 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003381s ]
  12. SELECT * FROM `article` WHERE `id` > 457796 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001190s ]
  13. SELECT * FROM `article` WHERE `id` < 457796 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.023665s ]
  14. SELECT * FROM `article` WHERE `id` < 457796 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014259s ]
  15. SELECT * FROM `article` WHERE `id` < 457796 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006989s ]
0.159561s