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职场人必看!Python 数据分析必备 SQL 基础语句

  • 2026-07-01 02:50:14
职场人必看!Python 数据分析必备 SQL 基础语句
很多新手或者是职场的老人在写SQL的时候是不是经常会卡壳，明明记得有个函数能搞定，却偏偏想不起语法。
其实SQL不管是在做数据分析、后端开发，还是财务BP、运营取数，都离不开这项硬技能。
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📝 新手小提醒 
1. 表名、字段名加`（反引号），避免报错 
2. 语句结尾加;，规范又不易出错 
3. 增删改先备份数据，防止误操作！
无论是数据分析师、程序员还是想提升技能的职场人，闭眼收藏！轻松搞定数据库操作，效率飙升。
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  1. CONNECT:[ UseTime:0.000634s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000773s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000300s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000270s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000486s ]
  6. SELECT * FROM `set` [ RunTime:0.003589s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000601s ]
  8. SELECT * FROM `article` WHERE `id` = 493415 LIMIT 1 [ RunTime:0.005665s ]
  9. UPDATE `article` SET `lasttime` = 1783058530 WHERE `id` = 493415 [ RunTime:0.009705s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000300s ]
  11. SELECT * FROM `article` WHERE `id` < 493415 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000483s ]
  12. SELECT * FROM `article` WHERE `id` > 493415 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004936s ]
  13. SELECT * FROM `article` WHERE `id` < 493415 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000699s ]
  14. SELECT * FROM `article` WHERE `id` < 493415 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004934s ]
  15. SELECT * FROM `article` WHERE `id` < 493415 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001110s ]
0.105268s