How to count the number of people in each province using a SQL statement

WBOY
Release: 2023-03-02 09:22:02
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There is a Mysql data table to record customer information
id name province
1 Zhang San Beijing
2 Li Si Beijing
3 Wang Er Hebei
4 Zhao Feng Hebei
5 Liu Fei Hebei
6 Jia You Hubei
7 Zhu Tao Hunan
How about Use SQL to find the number of people in each province?
SELECT COUNT(PROVINCE) FROM TABLE GROUP BY PROVINCE OK?
How to display it using PHP?

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There is a Mysql data table to record customer information
id name province
1 Zhang San Beijing
2 Li Si Beijing
3 Wang Er Hebei
4 Zhao Feng Hebei
5 Liu Fei Hebei
6 Jia You Hubei
7 Zhu Tao Hunan
How about Use SQL to find the number of people in each province?
SELECT COUNT(PROVINCE) FROM TABLE GROUP BY PROVINCE OK?
How to display it using PHP?

<code>SELECT province, COUNT( province ) 
FROM test
GROUP BY province</code>
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How to count the number of people in each province using a SQL statement

Yes. Take out the data set upstairs. Just use foreach to iterate over it

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