1.查詢數(shù)據(jù)庫表信息

　　mysql查詢數(shù)據(jù)庫中所有表信息

SELECTtable_name AS '表名',table_comment AS '說明',create_time AS '創(chuàng)建時間',update_time AS '修改時間' FROMinformation_schema.TABLES

　　sql server查詢數(shù)據(jù)庫中所有表信息

SELECTso.name AS '表名',isnull(f.value,'')AS '說明',so.create_date AS '創(chuàng)建時間',so.modify_date AS '修改時間' FROMsys.objects soLEFT JOIN sys.extended_properties f ON f.major_id = so.object_id AND f.minor_id= 0 WHEREso.type = 'U';

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2.查詢表字段信息

　　mysql根據(jù)表名查詢表字段信息

SELECTcolumn_name as '字段名',data_type as '類型',column_comment '說明' FROMinformation_schema.COLUMNS WHEREtable_name = 'sys_user' and table_schema = (select database()) order by ordinal_position

　　sql server根據(jù)表名查詢表字段信息

SELECTa.NAME as '字段名',b.NAME as '類型',g.[VALUE] as '說明' FROMsyscolumns aLEFT JOIN systypes b ON a.xusertype = b.xusertypeLEFT JOIN sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_idINNER JOIN sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.NAME <> 'dtproperties' WHEREd.NAME = 'sys_dept'

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注：參考文檔

轉(zhuǎn)載于:https://www.cnblogs.com/cglmj/p/10943715.html

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