Code SELECT
(casewhen a.colorder=1then d.name else''end)表名,
a.colorder 字段序号,
a.name 字段名,
(casewhenCOLUMNPROPERTY( a.id,a.name,'IsIdentity')=1then'√'else''end) 标识,
(casewhen (SELECTcount(*) 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'))>0then'√'else''end) 主键,
b.name 类型,
a.length 占用字节数, COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度, isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
(casewhen a.isnullable=1then'√'else''end) 允许空, isnull(e.text,'') 默认值, isnull(g.[value],'') AS 字段说明
FROM syscolumns a leftjoin systypes b on a.xtype=b.xusertype innerjoin sysobjects d on a.id=d.id and d.xtype='U'and d.name<>'dtproperties' leftjoin syscomments e on a.cdefault=e.id leftjoin sys.extended_properties g on a.id=g.major_id AND a.colid = g.major_id orderby a.id,a.colorder