获取MSSQL表结构中字段的备注、主键等信息.docx

获取MSSQL表结构中字段的备注、主键等信息?12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182831、MSSQL2000SELECT表名 = case when a.colorder=1 then else end,表说明 = case when a.colorder=1 then isnull(f.value,) else end,字段序号 = a.colorder,字段名 = ,标识 = case when COLUMNPROPERTY( a.id,,IsIdentity)=1 then else end,主键 = case when exists(SELECT 1 FROM sysobjects where xtype=PK and parent_obj=a.id and name in (SELECT name FROM sysindexes WHERE indid in(SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid) then else end,类型 = ,占用字节数 = a.length,长度 = COLUMNPROPERTY(a.id,,PRECISION),小数位数 = isnull(COLUMNPROPERTY(a.id,,Scale),0),允许空 = case when a.isnullable=1 then else end,默认值 = isnull(e.text,),字段说明 = isnull(g.value,)FROMsyscolumns aleft joinsystypes b ona.xusertype=b.xusertypeinner joinsysobjects d ona.id=d.id and d.xtype=U and dtpropertiesleft joinsyscomments e ona.cdefault=e.idleft joinsysproperties g ona.id=g.id and a.colid=g.smallid left joinsysproperties f ond.id=f.id and f.smallid=0=FI_dept -如果只查询指定表,加上此条件order bya.id,a.colorder2、MSSQL2005use test-數據庫go-2005實現字段屬性統計(2000里的系統表sysproperties描述表、字段不存在，2005里用sys.extended_properties視圖替代)select表名=c.Name,表说明=isnull(f.value,),列名=a.Name,列序號=a.Column_id,標識=case when is_identity=1 then else end,主鍵=case when exists(select 1 from sys.objects where parent_object_id=a.object_id and type=NPK and name in(select Name from sys.indexes where index_id in(select indid from sysindexkeys where and colid=a.column_id)then else end,類型=b.Name,字節數=case when a.max_length=-1 and b.Name!=xml then max/2Gwhen b.Name=xml then 231-1字節/2Gelse rtrim(a.max_length) end,長度=ColumnProperty(a.object_id,a.Name,Precision),小數=isnull(ColumnProperty(a.object_id,a.Name,Scale),0),是否為空=case when a.is_nullable=1 then else end,列说明=isnull(e.value,),默認值=isnull(d.text,) fromsys.columns aleft joinsys.types b on a.user_type_id=b.user_type_idinner joinsys.objects c on a.object_id=c.object_id and c.Type=Uleft joinsyscomments d on a.default_object_id=d.IDleft joinsys.extended_properties e on e.major_id=c.object_id and e.minor_id=a.Col