Shulou(Shulou.com)06/01 Report--

preface

In a previous project, the ability to use CASE WHEN sorting in SQL was used. Now write a blog memo ~

Database version: MySQL 5.6.42

Conditions:

A field indicates that the state of the data is a non-negative integer, and 0 indicates no state.

Requirements:

Sort in ascending order for this field, and you need to put data with a value of 0 last.

First let's look at the table structure:

The normal result of an ascending query is:

To put "Little Red" at the end of the list, write:

It can also be like this:

You can also use CASE WHEN to change the basis for sorting without affecting the query results:

summary

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