如何把数据库字段导出成表格

参考地址:

https://blog.csdn.net/dkjkls/article/details/87902067

mysql语句

SELECT
	TABLE_NAME 表名,
	COLUMN_NAME 字段名称,
	COLUMN_TYPE 字段类型,
	COLUMN_DEFAULT 默认值,
	CHARACTER_MAXIMUM_LENGTH AS 最大长度,
	(
		CASE
		WHEN is_nullable = 'NO' THEN
			'否'
		ELSE
			'是'
		END
	) AS 是否可空,
	(
		CASE
		WHEN column_key = 'PRI' THEN
			'是'
		ELSE
			'否'
		END
	) AS 是否主键,
	COLUMN_COMMENT 描述
FROM
	INFORMATION_SCHEMA. COLUMNS
WHERE
	TABLE_SCHEMA = 'yourdb';
posted on 2022-10-27 10:11  步孤天  阅读(210)  评论(0编辑  收藏  举报