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带你用7张图学会SQL!比Excel更好用的工具

  • 2026-08-11 07:51:27
带你用7张图学会SQL!比Excel更好用的工具

带你用7张图学会SQL！比Excel更好用的工具


#SQL#MySQL#会计#财务#文员#出纳#采购#电商#数据分析#图表
很多朋友平时处理数据可能更熟悉Excel，提到SQL就想逃避，殊不知SQL在处理大量数据时有Excel无法比拟的优势。而且根据二八定律，其实只需掌握20%SQL的基础内容，就足以胜任80%的常见工作啦。
今天帮大家整理了小白学习SQL的学习路线，只要按着方向学习，轻松掌握一项新技能~

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  1. CONNECT:[ UseTime:0.001113s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001612s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000688s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004603s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001498s ]
  6. SELECT * FROM `set` [ RunTime:0.000644s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001592s ]
  8. SELECT * FROM `article` WHERE `id` = 546030 LIMIT 1 [ RunTime:0.007448s ]
  9. UPDATE `article` SET `lasttime` = 1786468822 WHERE `id` = 546030 [ RunTime:0.009441s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000745s ]
  11. SELECT * FROM `article` WHERE `id` < 546030 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001397s ]
  12. SELECT * FROM `article` WHERE `id` > 546030 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002464s ]
  13. SELECT * FROM `article` WHERE `id` < 546030 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001774s ]
  14. SELECT * FROM `article` WHERE `id` < 546030 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.018838s ]
  15. SELECT * FROM `article` WHERE `id` < 546030 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.034004s ]
0.260986s