sql语句取得一个表中的列名,数据类型,及长度等属性

查询语句 （数据库名为customer;表名为cus_sale）

SELECT
	COLUMN_NAME AS '列名',
	DATA_TYPE AS '字段类型',
	COLUMN_TYPE AS '长度加类型',
	IS_NULLABLE AS '允许空',
	COLUMN_KEY AS '主键',
	COLUMN_COMMENT AS '说明'
FROM
	information_schema.`COLUMNS`
WHERE
	TABLE_SCHEMA LIKE 'customer'
AND TABLE_NAME LIKE 'cus_sale'

查询结果：