Database

Introduction

Since it’s a unorganised learning note, I’m sorry that there may not be a English version.

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Hello everyone, it’s Ray!

Today I’m going to share with you the further usage about how to manipulate database with group by, and inserting refined data into a new table.

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Hello everyone. It’s Ray! I shared how to import Chinese data into database yesterday, and today I’m going to share how to use MySQL group by to organise your database.

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