mysql数据库查看表结构的好方法(亲测)

SELECT
    TABLE_NAME AS '表名',
    '' AS '列名',
    '' AS '类型',
    '' AS '含义'
FROM
    information_schema. COLUMNS
WHERE
    table_schema = 'colliery'
AND table_name = 'dim_bid_type'
LIMIT 1
UNION ALL
    SELECT
        '' AS '',
        COLUMN_NAME AS '',
        COLUMN_TYPE AS '',
        COLUMN_COMMENT AS ''
    FROM
        information_schema. COLUMNS
    WHERE
        table_schema = 'colliery'
    AND table_name = 'dim_bid_type';

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注意：其中colliery是我自己的库名，使用的时候应该替换成你自己的 ，dim_bid_type也是我自己的表名使用的时候也应该替换成你自己的

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更简便的方式如下：

SELECT
    TABLE_NAME,
    COLUMN_NAME,
    COLUMN_TYPE,
    DATA_TYPE,
    COLUMN_COMMENT
FROM
    information_schema. COLUMNS
WHERE
    table_schema = '库名'
AND table_name = '表名';