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## ç¨æ³ç¤ºä¾
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~~~
Db::table('think_user')->count();
~~~
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SELECT COUNT(*) AS tp_count FROM `think_user` LIMIT 1
~~~
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Db::table('think_user')->count('id');
~~~
çæçSQLè¯å¥æ¯ï¼
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~~~
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~~~
Db::table('think_user')->max('score');
~~~
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SELECT MAX(score) AS tp_max FROM `think_user` LIMIT 1
~~~
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Db::table('think_user')->max('name',false);
~~~
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Db::table('think_user')->where('score', '>', 0)->min('score');
~~~
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Db::table('think_user')->where('score', '>', 0)->min('name',false);
~~~
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Db::table('think_user')->avg('score');
~~~
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SELECT AVG(score) AS tp_avg FROM `think_user` LIMIT 1
~~~
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SELECT SUM(score) AS tp_sum FROM `think_user` LIMIT 1
~~~
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```
Db::table('score')->field('user_id,SUM(score) AS sum_score')->group('user_id')->select();
```
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