获取SQLServer表字段的各种属性

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 WHER

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 WHERE d.name = 'SW_Project' --要查询的表 ORDER BY object_name(a.id), a.colorder