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SQL 查看所有表名:
select name from sysobjects where type='U'查询表的所有字段名:
Select name from syscolumns Where ID=OBJECT_ID('表名')select * from information_schema.tables
select * from information_schema.views select * from information_schema.columns ACCESS 查看所有表名: select name from MSysObjects where type=1 and flags=0MSysObjects是系统对象,默认情况是隐藏的。通过工具、选项、视图、显示、系统对象可以使之显示出来。
SQL查询表的备注说明
SELECT 表名 = case when a.colorder = 1 then d.name
else '' end, 表说明 = case when a.colorder = 1 then isnull(f.value, '') else '' endFROM syscolumns a inner join sysobjects d on a.id = d.id and d.xtype = 'U' and d.name <> 'sys.extended_properties' left join sys.extended_properties f on a.id = f.major_id and f.minor_id = 0SQL查询表的所有字段的备注说明
SQL_1:
SELECT Sysobjects.name AS TABLE_NAME, syscolumns.Id, syscolumns.name AS COLUMN_NAME,
systypes.name AS DATA_TYPE, syscolumns.length as CHARACTER_MAXIMUM_LENGTH, sys.extended_properties.[value] AS COLUMN_DESCRIPTION, syscomments.text as COLUMN_DEFAULT,syscolumns.isnullable as IS_NULLABLE FROM syscolumns INNER JOIN systypes ON syscolumns.xtype = systypes.xtype LEFT JOIN sysobjects ON syscolumns.id = sysobjects.id LEFT OUTER JOIN sys.extended_properties ON ( sys.extended_properties.minor_id = syscolumns.colid AND sys.extended_properties.major_id = syscolumns.id) LEFT OUTER JOIN syscomments ON syscolumns.cdefault = syscomments.id WHERE syscolumns.id IN (SELECT id FROM SYSOBJECTS WHERE xtype = 'U') AND (systypes.name <> 'sysname') ORDER BY syscolumns.colidSQL_2:
SELECT
(case when a.colorder=1 then d.name else '' end) N'表名', a.colorder N'字段序号', a.name N'字段名', (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'标识', (case when (SELECT count(*) FROM sysobjects WHERE (name in (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid in (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid in (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK'))>0 then '√' else '' end) N'主键', b.name N'类型', a.length N'占用字节数', COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'长度', isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小数位数', (case when a.isnullable=1 then '√'else '' end) N'允许空', isnull(e.text,'') N'默认值', isnull(g.[value],'') AS N'字段说明' 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 order by object_name(a.id),a.colorder转载地址:http://ogfmi.baihongyu.com/