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Java MySQL single table ten million level data summation
2022-02-03 02:05:18 【CSDN Q & A】
Is to find out all the data directly and then put it in the code for Loop summation is fast Still sql in sum fast
Refer to the answer 1：
The program is fast ？ I just tried. In less than a second Embarrassed rz
Refer to the answer 2：
Refer to the answer 3：
In general , Of course is in sql Li Kuai .
But in some extreme cases , Like databases cpu Special garbage , But disk express , Internet Express , Then the application side memory is very large and the frequency is very high , Plus the application side cpu ultrafast , It is possible to apply it faster , Because the database card owner ...
Refer to the answer 4：
author[CSDN Q & A],Please bring the original link to reprint, thank you.
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