MySQL快速生產表的描述

# mysql快速生成表的描述
SELECT 
    column_name AS `列名`,    
    CONCAT_WS(' (', data_type, character_maximum_length) AS `數據類型`,
    is_nullable AS `非空`,
    CASE
        WHEN extra = 'auto_increment'
        THEN 'Yes'
        ELSE '' 
    END AS `主鍵`,
    column_default  AS  `默認值`,
    column_comment AS `備註` 
FROM
    Information_schema.columns 
WHERE table_Name = 'table_name' ;