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Excel文本函数

  • 2026-05-09 14:58:25
Excel文本函数

Excel文本函数

LEFT：从文本左边提取指定位置的字符
RIGHT:从文本右边提取指定位置的字符
MID：从文本中间提取指定位置的字符
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      1. CONNECT:[ UseTime:0.000676s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000885s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001572s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001802s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000646s ]
      6. SELECT * FROM `set` [ RunTime:0.000255s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000674s ]
      8. SELECT * FROM `article` WHERE `id` = 512036 LIMIT 1 [ RunTime:0.000399s ]
      9. UPDATE `article` SET `lasttime` = 1778808809 WHERE `id` = 512036 [ RunTime:0.023565s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000352s ]
      11. SELECT * FROM `article` WHERE `id` < 512036 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000592s ]
      12. SELECT * FROM `article` WHERE `id` > 512036 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002246s ]
      13. SELECT * FROM `article` WHERE `id` < 512036 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000763s ]
      14. SELECT * FROM `article` WHERE `id` < 512036 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000942s ]
      15. SELECT * FROM `article` WHERE `id` < 512036 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009034s ]
      0.144667s