1.打开navicat,Ctrl+q快捷键新建查询并执行
USE information_schema;
SELECT
C.TABLE_SCHEMA AS '数据库名',
C.TABLE_NAME AS '表名',
C.COLUMN_NAME AS '字段名',
C.COLUMN_TYPE AS '数据类型',
C.IS_NULLABLE AS '允许为空',
C.COLUMN_COMMENT AS '字段说明'
FROM
COLUMNS C
INNER JOIN TABLES T ON C.TABLE_SCHEMA = T.TABLE_SCHEMA
AND C.TABLE_NAME = T.TABLE_NAME
WHERE
T.TABLE_SCHEMA = 'xxx'
--and T.TABLE_NAME='tableName'
--xxx这里为数据库名
2.导出excel文件
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