一键生成数据字典

USE information_schema;–切记这里不能忘掉
SELECT

T.TABLE_SCHEMA AS ‘数据库名称’,

T.TABLE_NAME AS ‘表名’,

T.TABLE_TYPE AS ‘表类型’,

T. ENGINE AS ‘数据库引擎’,

C.ORDINAL_POSITION AS ‘字段编号’,

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_KEY AS ‘键类型’,

C.EXTRA AS ‘自增属性’,

C.CHARACTER_SET_NAME AS ‘编码名称’,

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 = ‘mtbrat_db’ – 数据库