sql server :
--2008以下版本 SELECT -- 字段序號=a.colorder, 表名=case when a.colorder=1 then d.name else d.name end, 表說明=case when a.colorder=1 then isnull(f.value,'') else isnull(f.value,'') end, 字段名=a.name, -- 標識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主鍵=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid ))) then 'Y' else '' end, 類型=b.name, -- 佔用字節數=a.length, 長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 小數位數=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 允許空=case when a.isnullable=1 then 'Y'else '' end, 默認值=isnull(e.text,''), 字段描述=isnull(g.[value],'') FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' left join syscomments e on a.cdefault=e.id left join sysproperties g on a.id=g.id and a.colid=g.smallid left join sysproperties f on d.id=f.id and f.smallid=0 --where d.name in ('avs_after_count') order by a.id,a.colorder ----2008及以上的版本 SELECT -- 字段序號=a.colorder, 表名=case when a.colorder=1 then d.name else d.name end, 表說明=case when a.colorder=1 then isnull(f.value,'') else isnull(f.value,'') end, 字段名=a.name, -- 標識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主鍵=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid ))) then 'Y' else '' end, 類型=b.name, -- 佔用字節數=a.length, 長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 小數位數=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 允許空=case when a.isnullable=1 then 'Y'else '' end, 默認值=isnull(e.text,''), 字段描述=isnull(g.[value],'') FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0 --where d.name in ('avs_after_count') order by a.id,a.colorder select * from sys.extended_properties select * from syscolumns;
oracle :
SELECT --A.COLUMN_ID AS 字段序號, A.TABLE_NAME 表名,TT.comments 表說明, A.COLUMN_NAME AS 字段名, DECODE(E.UNIQUENESS, 'UNIQUE', 'Y', '') AS 主鍵, decode(A.DATA_TYPE,'VARCHAR2','varchar','DATE','datetime',lower(A.DATA_TYPE)) AS 類型, decode(A.DATA_TYPE,'DATE',23,A.DATA_LENGTH) 長度, --decode(A.DATA_PRECISION,null,'0',a.DATA_PRECISION) AS 整數位數, decode( A.DATA_SCALE,NULL,'0',a.DATA_SCALE) AS 小數位數, DECODE(A.NULLABLE, 'Y', 'Y', '') AS 允許空, A.DATA_DEFAULT AS 默認值, F.COMMENTS AS 字段描述 FROM USER_ALL_TABLES AA, USER_TAB_COLUMNS A, USER_COL_COMMENTS F, USER_TAB_COMMENTS TT, (SELECT B.TABLE_NAME, B.INDEX_NAME, B.UNIQUENESS, C.COLUMN_NAME, DECODE(D.CONSTRAINT_NAME, NULL, 'No', 'Yes') KEY FROM USER_INDEXES B, USER_IND_COLUMNS C, (SELECT CONSTRAINT_NAME FROM USER_CONSTRAINTS WHERE CONSTRAINT_TYPE = 'P') D WHERE B.INDEX_NAME = C.INDEX_NAME AND B.INDEX_NAME = D.CONSTRAINT_NAME(+)) E WHERE --a.table_name in ('PLT_SEARCHFIELD') AA.TABLE_NAME = A.TABLE_NAME AND A.TABLE_NAME = E.TABLE_NAME(+) AND A.COLUMN_NAME = E.COLUMN_NAME(+) AND A.TABLE_NAME = F.TABLE_NAME AND A.COLUMN_NAME = F.COLUMN_NAME AND AA.table_name=TT.table_name ORDER BY A.TABLE_NAME, A.COLUMN_ID; --查詢創建日期。 SELECT CREATED FROM USER_OBJECTS WHERE OBJECT_NAME='TABLE';
其他方式生成:
工具:Navicat Premium
方法:新建一個Query,輸入如下:
SELECT t.TABLE_NAME AS 表名, t.COLUMN_NAME AS 字段名, t.COLUMN_TYPE AS 數據類型, CASE IFNULL(t.COLUMN_DEFAULT,'Null') WHEN '' THEN '空字符串' WHEN 'Null' THEN 'NULL' ELSE t.COLUMN_DEFAULT END AS 默認值, CASE t.IS_NULLABLE WHEN 'YES' THEN '是' ELSE '否' END AS 是否允許爲空, t.COLUMN_COMMENT AS 字段說明 FROM information_schema.COLUMNS t WHERE t.TABLE_SCHEMA='庫名(此處修改成想要生成的庫)';
最終得到你想要的結果
表字典生成
select TABLE_NAME as 表名, TABLE_COMMENT as 描述 from information_schema.TABLES t WHERE t.TABLE_SCHEMA='officeflyv8_8582';
其餘同上,導出文件命名爲表詞典。