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Programming is very important for program development.

Source: Internet
Author: User
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Today, I saw someone asking me about the creation of the message book in CSDN. He actually designed the message book into several data tables to store the content.

I helped him design a data table with the following structure:

I will design a data table for you to see if my id is 7.

It can be seen that the code is easy to get and the idea is hard to find. To write a program, you must constantly accumulate and sum up experience, and focus on programming ideas.

The original CSDN document is:
Http://topic.csdn.net/u/20110615/06/bb6b1169-ca5a-4bc9-a079-e4a05ddc2a4e.html? Seed = 122537008 & r = 73887716 # r_73887716

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