/* ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃ 人员:LDH 时间:2021-5-20 说明:SQL- 查询数据库中的表、表字段信息 ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃ */ SELECT A.TABLE_CATALOG , A.TABLE_SCHEMA , A.TABLE_NAME , A.TABLE_TYPE , B.TABLE_CATALOG , B.TABLE_SCHEMA , B.TABLE_NAME , B.COLUMN_NAME , B.ORDINAL_POSITION , B.COLUMN_DEFAULT , B.IS_NULLABLE , B.DATA_TYPE , B.CHARACTER_MAXIMUM_LENGTH , B.CHARACTER_OCTET_LENGTH FROM INFORMATION_SCHEMA.TABLES A INNER JOIN INFORMATION_SCHEMA.COLUMNS B ON B.TABLE_CATALOG = A.TABLE_CATALOG AND B.TABLE_SCHEMA = A.TABLE_SCHEMA AND B.TABLE_NAME = A.TABLE_NAME -- Your table name. WHERE A.TABLE_NAME = 'Students' ORDER BY A.TABLE_NAME ASC , B.ORDINAL_POSITION ASC;